drivers/scsi/qla2xxx/qla_os.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2008 QLogic Corporation
   4  *
   5  * See LICENSE.qla2xxx for copyright and licensing details.
   6  */
   7 #include "qla_def.h"
   8
   9 #include <linux/moduleparam.h>
  10 #include <linux/vmalloc.h>
  11 #include <linux/delay.h>
  12 #include <linux/kthread.h>
  13 #include <linux/mutex.h>
  14
  15 #include <scsi/scsi_tcq.h>
  16 #include <scsi/scsicam.h>
  17 #include <scsi/scsi_transport.h>
  18 #include <scsi/scsi_transport_fc.h>
  19
  20 /*
  21  * Driver version
  22  */
  23 char qla2x00_version_str[40];
  24
  25 /*
  26  * SRB allocation cache
  27  */
  28 static struct kmem_cache *srb_cachep;
  29
  30 int ql2xlogintimeout = 20;
  31 module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
  32 MODULE_PARM_DESC(ql2xlogintimeout,
  33                 "Login timeout value in seconds.");
  34
  35 int qlport_down_retry;
  36 module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
  37 MODULE_PARM_DESC(qlport_down_retry,
  38                 "Maximum number of command retries to a port that returns "
  39                 "a PORT-DOWN status.");
  40
  41 int ql2xplogiabsentdevice;
  42 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
  43 MODULE_PARM_DESC(ql2xplogiabsentdevice,
  44                 "Option to enable PLOGI to devices that are not present after "
  45                 "a Fabric scan.  This is needed for several broken switches. "
  46                 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
  47
  48 int ql2xloginretrycount = 0;
  49 module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
  50 MODULE_PARM_DESC(ql2xloginretrycount,
  51                 "Specify an alternate value for the NVRAM login retry count.");
  52
  53 int ql2xallocfwdump = 1;
  54 module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
  55 MODULE_PARM_DESC(ql2xallocfwdump,
  56                 "Option to enable allocation of memory for a firmware dump "
  57                 "during HBA initialization.  Memory allocation requirements "
  58                 "vary by ISP type.  Default is 1 - allocate memory.");
  59
  60 int ql2xextended_error_logging;
  61 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
  62 MODULE_PARM_DESC(ql2xextended_error_logging,
  63                 "Option to enable extended error logging, "
  64                 "Default is 0 - no logging. 1 - log errors.");
  65
  66 static void qla2x00_free_device(scsi_qla_host_t *);
  67
  68 int ql2xfdmienable=1;
  69 module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
  70 MODULE_PARM_DESC(ql2xfdmienable,
  71                 "Enables FDMI registratons "
  72                 "Default is 0 - no FDMI. 1 - perfom FDMI.");
  73
  74 #define MAX_Q_DEPTH    32
  75 static int ql2xmaxqdepth = MAX_Q_DEPTH;
  76 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
  77 MODULE_PARM_DESC(ql2xmaxqdepth,
  78                 "Maximum queue depth to report for target devices.");
  79
  80 int ql2xqfullrampup = 120;
  81 module_param(ql2xqfullrampup, int, S_IRUGO|S_IWUSR);
  82 MODULE_PARM_DESC(ql2xqfullrampup,
  83                 "Number of seconds to wait to begin to ramp-up the queue "
  84                 "depth for a device after a queue-full condition has been "
  85                 "detected.  Default is 120 seconds.");
  86
  87 int ql2xiidmaenable=1;
  88 module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR);
  89 MODULE_PARM_DESC(ql2xiidmaenable,
  90                 "Enables iIDMA settings "
  91                 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
  92
  93 int ql2xmaxqueues = 1;
  94 module_param(ql2xmaxqueues, int, S_IRUGO|S_IRUSR);
  95 MODULE_PARM_DESC(ql2xmaxqueues,
  96                 "Enables MQ settings "
  97                 "Default is 1 for single queue. Set it to number \
  98                         of queues in MQ mode.");
  99 /*
 100  * SCSI host template entry points
 101  */
 102 static int qla2xxx_slave_configure(struct scsi_device * device);
 103 static int qla2xxx_slave_alloc(struct scsi_device *);
 104 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
 105 static void qla2xxx_scan_start(struct Scsi_Host *);
 106 static void qla2xxx_slave_destroy(struct scsi_device *);
 107 static int qla2xxx_queuecommand(struct scsi_cmnd *cmd,
 108                 void (*fn)(struct scsi_cmnd *));
 109 static int qla2xxx_eh_abort(struct scsi_cmnd *);
 110 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
 111 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
 112 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
 113 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
 114
 115 static int qla2x00_change_queue_depth(struct scsi_device *, int);
 116 static int qla2x00_change_queue_type(struct scsi_device *, int);
 117
 118 struct scsi_host_template qla2xxx_driver_template = {
 119         .module                 = THIS_MODULE,
 120         .name                   = QLA2XXX_DRIVER_NAME,
 121         .queuecommand           = qla2xxx_queuecommand,
 122
 123         .eh_abort_handler       = qla2xxx_eh_abort,
 124         .eh_device_reset_handler = qla2xxx_eh_device_reset,
 125         .eh_target_reset_handler = qla2xxx_eh_target_reset,
 126         .eh_bus_reset_handler   = qla2xxx_eh_bus_reset,
 127         .eh_host_reset_handler  = qla2xxx_eh_host_reset,
 128
 129         .slave_configure        = qla2xxx_slave_configure,
 130
 131         .slave_alloc            = qla2xxx_slave_alloc,
 132         .slave_destroy          = qla2xxx_slave_destroy,
 133         .scan_finished          = qla2xxx_scan_finished,
 134         .scan_start             = qla2xxx_scan_start,
 135         .change_queue_depth     = qla2x00_change_queue_depth,
 136         .change_queue_type      = qla2x00_change_queue_type,
 137         .this_id                = -1,
 138         .cmd_per_lun            = 3,
 139         .use_clustering         = ENABLE_CLUSTERING,
 140         .sg_tablesize           = SG_ALL,
 141
 142         .max_sectors            = 0xFFFF,
 143         .shost_attrs            = qla2x00_host_attrs,
 144 };
 145
 146 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
 147 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
 148
 149 /* TODO Convert to inlines
 150  *
 151  * Timer routines
 152  */
 153
 154 __inline__ void
 155 qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
 156 {
 157         init_timer(&vha->timer);
 158         vha->timer.expires = jiffies + interval * HZ;
 159         vha->timer.data = (unsigned long)vha;
 160         vha->timer.function = (void (*)(unsigned long))func;
 161         add_timer(&vha->timer);
 162         vha->timer_active = 1;
 163 }
 164
 165 static inline void
 166 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
 167 {
 168         mod_timer(&vha->timer, jiffies + interval * HZ);
 169 }
 170
 171 static __inline__ void
 172 qla2x00_stop_timer(scsi_qla_host_t *vha)
 173 {
 174         del_timer_sync(&vha->timer);
 175         vha->timer_active = 0;
 176 }
 177
 178 static int qla2x00_do_dpc(void *data);
 179
 180 static void qla2x00_rst_aen(scsi_qla_host_t *);
 181
 182 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
 183         struct req_que **, struct rsp_que **);
 184 static void qla2x00_mem_free(struct qla_hw_data *);
 185 static void qla2x00_sp_free_dma(srb_t *);
 186
 187 /* -------------------------------------------------------------------------- */
 188 static int qla2x00_alloc_queues(struct qla_hw_data *ha)
 189 {
 190         ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_queues,
 191                                 GFP_KERNEL);
 192         if (!ha->req_q_map) {
 193                 qla_printk(KERN_WARNING, ha,
 194                         "Unable to allocate memory for request queue ptrs\n");
 195                 goto fail_req_map;
 196         }
 197
 198         ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_queues,
 199                                 GFP_KERNEL);
 200         if (!ha->rsp_q_map) {
 201                 qla_printk(KERN_WARNING, ha,
 202                         "Unable to allocate memory for response queue ptrs\n");
 203                 goto fail_rsp_map;
 204         }
 205         set_bit(0, ha->rsp_qid_map);
 206         set_bit(0, ha->req_qid_map);
 207         return 1;
 208
 209 fail_rsp_map:
 210         kfree(ha->req_q_map);
 211         ha->req_q_map = NULL;
 212 fail_req_map:
 213         return -ENOMEM;
 214 }
 215
 216 static void qla2x00_free_que(struct qla_hw_data *ha, struct req_que *req,
 217         struct rsp_que *rsp)
 218 {
 219         if (rsp && rsp->ring)
 220                 dma_free_coherent(&ha->pdev->dev,
 221                 (rsp->length + 1) * sizeof(response_t),
 222                 rsp->ring, rsp->dma);
 223
 224         kfree(rsp);
 225         rsp = NULL;
 226         if (req && req->ring)
 227                 dma_free_coherent(&ha->pdev->dev,
 228                 (req->length + 1) * sizeof(request_t),
 229                 req->ring, req->dma);
 230
 231         kfree(req);
 232         req = NULL;
 233 }
 234
 235 static void qla2x00_free_queues(struct qla_hw_data *ha)
 236 {
 237         struct req_que *req;
 238         struct rsp_que *rsp;
 239         int cnt;
 240
 241         for (cnt = 0; cnt < ha->max_queues; cnt++) {
 242                 rsp = ha->rsp_q_map[cnt];
 243                 req = ha->req_q_map[cnt];
 244                 qla2x00_free_que(ha, req, rsp);
 245         }
 246         kfree(ha->rsp_q_map);
 247         ha->rsp_q_map = NULL;
 248
 249         kfree(ha->req_q_map);
 250         ha->req_q_map = NULL;
 251 }
 252
 253 static char *
 254 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
 255 {
 256         struct qla_hw_data *ha = vha->hw;
 257         static char *pci_bus_modes[] = {
 258                 "33", "66", "100", "133",
 259         };
 260         uint16_t pci_bus;
 261
 262         strcpy(str, "PCI");
 263         pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
 264         if (pci_bus) {
 265                 strcat(str, "-X (");
 266                 strcat(str, pci_bus_modes[pci_bus]);
 267         } else {
 268                 pci_bus = (ha->pci_attr & BIT_8) >> 8;
 269                 strcat(str, " (");
 270                 strcat(str, pci_bus_modes[pci_bus]);
 271         }
 272         strcat(str, " MHz)");
 273
 274         return (str);
 275 }
 276
 277 static char *
 278 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
 279 {
 280         static char *pci_bus_modes[] = { "33", "66", "100", "133", };
 281         struct qla_hw_data *ha = vha->hw;
 282         uint32_t pci_bus;
 283         int pcie_reg;
 284
 285         pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
 286         if (pcie_reg) {
 287                 char lwstr[6];
 288                 uint16_t pcie_lstat, lspeed, lwidth;
 289
 290                 pcie_reg += 0x12;
 291                 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
 292                 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
 293                 lwidth = (pcie_lstat &
 294                     (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
 295
 296                 strcpy(str, "PCIe (");
 297                 if (lspeed == 1)
 298                         strcat(str, "2.5GT/s ");
 299                 else if (lspeed == 2)
 300                         strcat(str, "5.0GT/s ");
 301                 else
 302                         strcat(str, "<unknown> ");
 303                 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
 304                 strcat(str, lwstr);
 305
 306                 return str;
 307         }
 308
 309         strcpy(str, "PCI");
 310         pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
 311         if (pci_bus == 0 || pci_bus == 8) {
 312                 strcat(str, " (");
 313                 strcat(str, pci_bus_modes[pci_bus >> 3]);
 314         } else {
 315                 strcat(str, "-X ");
 316                 if (pci_bus & BIT_2)
 317                         strcat(str, "Mode 2");
 318                 else
 319                         strcat(str, "Mode 1");
 320                 strcat(str, " (");
 321                 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
 322         }
 323         strcat(str, " MHz)");
 324
 325         return str;
 326 }
 327
 328 static char *
 329 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
 330 {
 331         char un_str[10];
 332         struct qla_hw_data *ha = vha->hw;
 333
 334         sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
 335             ha->fw_minor_version,
 336             ha->fw_subminor_version);
 337
 338         if (ha->fw_attributes & BIT_9) {
 339                 strcat(str, "FLX");
 340                 return (str);
 341         }
 342
 343         switch (ha->fw_attributes & 0xFF) {
 344         case 0x7:
 345                 strcat(str, "EF");
 346                 break;
 347         case 0x17:
 348                 strcat(str, "TP");
 349                 break;
 350         case 0x37:
 351                 strcat(str, "IP");
 352                 break;
 353         case 0x77:
 354                 strcat(str, "VI");
 355                 break;
 356         default:
 357                 sprintf(un_str, "(%x)", ha->fw_attributes);
 358                 strcat(str, un_str);
 359                 break;
 360         }
 361         if (ha->fw_attributes & 0x100)
 362                 strcat(str, "X");
 363
 364         return (str);
 365 }
 366
 367 static char *
 368 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
 369 {
 370         struct qla_hw_data *ha = vha->hw;
 371
 372         sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
 373             ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
 374         return str;
 375 }
 376
 377 static inline srb_t *
 378 qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
 379     struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 380 {
 381         srb_t *sp;
 382         struct qla_hw_data *ha = vha->hw;
 383
 384         sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
 385         if (!sp)
 386                 return sp;
 387
 388         sp->fcport = fcport;
 389         sp->cmd = cmd;
 390         sp->que = ha->req_q_map[0];
 391         sp->flags = 0;
 392         CMD_SP(cmd) = (void *)sp;
 393         cmd->scsi_done = done;
 394
 395         return sp;
 396 }
 397
 398 static int
 399 qla2xxx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 400 {
 401         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 402         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 403         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 404         struct qla_hw_data *ha = vha->hw;
 405         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
 406         srb_t *sp;
 407         int rval;
 408
 409         if (unlikely(pci_channel_offline(ha->pdev))) {
 410                 cmd->result = DID_REQUEUE << 16;
 411                 goto qc24_fail_command;
 412         }
 413
 414         rval = fc_remote_port_chkready(rport);
 415         if (rval) {
 416                 cmd->result = rval;
 417                 goto qc24_fail_command;
 418         }
 419
 420         /* Close window on fcport/rport state-transitioning. */
 421         if (fcport->drport)
 422                 goto qc24_target_busy;
 423
 424         if (atomic_read(&fcport->state) != FCS_ONLINE) {
 425                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 426                     atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
 427                         cmd->result = DID_NO_CONNECT << 16;
 428                         goto qc24_fail_command;
 429                 }
 430                 goto qc24_target_busy;
 431         }
 432
 433         spin_unlock_irq(vha->host->host_lock);
 434
 435         sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done);
 436         if (!sp)
 437                 goto qc24_host_busy_lock;
 438
 439         rval = ha->isp_ops->start_scsi(sp);
 440         if (rval != QLA_SUCCESS)
 441                 goto qc24_host_busy_free_sp;
 442
 443         spin_lock_irq(vha->host->host_lock);
 444
 445         return 0;
 446
 447 qc24_host_busy_free_sp:
 448         qla2x00_sp_free_dma(sp);
 449         mempool_free(sp, ha->srb_mempool);
 450
 451 qc24_host_busy_lock:
 452         spin_lock_irq(vha->host->host_lock);
 453         return SCSI_MLQUEUE_HOST_BUSY;
 454
 455 qc24_target_busy:
 456         return SCSI_MLQUEUE_TARGET_BUSY;
 457
 458 qc24_fail_command:
 459         done(cmd);
 460
 461         return 0;
 462 }
 463
 464
 465 /*
 466  * qla2x00_eh_wait_on_command
 467  *    Waits for the command to be returned by the Firmware for some
 468  *    max time.
 469  *
 470  * Input:
 471  *    cmd = Scsi Command to wait on.
 472  *
 473  * Return:
 474  *    Not Found : 0
 475  *    Found : 1
 476  */
 477 static int
 478 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
 479 {
 480 #define ABORT_POLLING_PERIOD    1000
 481 #define ABORT_WAIT_ITER         ((10 * 1000) / (ABORT_POLLING_PERIOD))
 482         unsigned long wait_iter = ABORT_WAIT_ITER;
 483         int ret = QLA_SUCCESS;
 484
 485         while (CMD_SP(cmd)) {
 486                 msleep(ABORT_POLLING_PERIOD);
 487
 488                 if (--wait_iter)
 489                         break;
 490         }
 491         if (CMD_SP(cmd))
 492                 ret = QLA_FUNCTION_FAILED;
 493
 494         return ret;
 495 }
 496
 497 /*
 498  * qla2x00_wait_for_hba_online
 499  *    Wait till the HBA is online after going through
 500  *    <= MAX_RETRIES_OF_ISP_ABORT  or
 501  *    finally HBA is disabled ie marked offline
 502  *
 503  * Input:
 504  *     ha - pointer to host adapter structure
 505  *
 506  * Note:
 507  *    Does context switching-Release SPIN_LOCK
 508  *    (if any) before calling this routine.
 509  *
 510  * Return:
 511  *    Success (Adapter is online) : 0
 512  *    Failed  (Adapter is offline/disabled) : 1
 513  */
 514 int
 515 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
 516 {
 517         int             return_status;
 518         unsigned long   wait_online;
 519         struct qla_hw_data *ha = vha->hw;
 520         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 521
 522         wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 523         while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
 524             test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
 525             test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
 526             ha->dpc_active) && time_before(jiffies, wait_online)) {
 527
 528                 msleep(1000);
 529         }
 530         if (base_vha->flags.online)
 531                 return_status = QLA_SUCCESS;
 532         else
 533                 return_status = QLA_FUNCTION_FAILED;
 534
 535         return (return_status);
 536 }
 537
 538 /*
 539  * qla2x00_wait_for_loop_ready
 540  *    Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
 541  *    to be in LOOP_READY state.
 542  * Input:
 543  *     ha - pointer to host adapter structure
 544  *
 545  * Note:
 546  *    Does context switching-Release SPIN_LOCK
 547  *    (if any) before calling this routine.
 548  *
 549  *
 550  * Return:
 551  *    Success (LOOP_READY) : 0
 552  *    Failed  (LOOP_NOT_READY) : 1
 553  */
 554 static inline int
 555 qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
 556 {
 557         int      return_status = QLA_SUCCESS;
 558         unsigned long loop_timeout ;
 559         struct qla_hw_data *ha = vha->hw;
 560         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 561
 562         /* wait for 5 min at the max for loop to be ready */
 563         loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 564
 565         while ((!atomic_read(&base_vha->loop_down_timer) &&
 566             atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
 567             atomic_read(&base_vha->loop_state) != LOOP_READY) {
 568                 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
 569                         return_status = QLA_FUNCTION_FAILED;
 570                         break;
 571                 }
 572                 msleep(1000);
 573                 if (time_after_eq(jiffies, loop_timeout)) {
 574                         return_status = QLA_FUNCTION_FAILED;
 575                         break;
 576                 }
 577         }
 578         return (return_status);
 579 }
 580
 581 void
 582 qla2x00_abort_fcport_cmds(fc_port_t *fcport)
 583 {
 584         int cnt, que, id;
 585         unsigned long flags;
 586         srb_t *sp;
 587         scsi_qla_host_t *vha = fcport->vha;
 588         struct qla_hw_data *ha = vha->hw;
 589         struct req_que *req;
 590
 591         spin_lock_irqsave(&ha->hardware_lock, flags);
 592         for (que = 0; que < QLA_MAX_HOST_QUES; que++) {
 593                 id = vha->req_ques[que];
 594                 req = ha->req_q_map[id];
 595                 if (!req)
 596                         continue;
 597                 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
 598                         sp = req->outstanding_cmds[cnt];
 599                         if (!sp)
 600                                 continue;
 601                         if (sp->fcport != fcport)
 602                                 continue;
 603
 604                         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 605                         if (ha->isp_ops->abort_command(vha, sp, req)) {
 606                                 DEBUG2(qla_printk(KERN_WARNING, ha,
 607                                 "Abort failed --  %lx\n",
 608                                 sp->cmd->serial_number));
 609                         } else {
 610                                 if (qla2x00_eh_wait_on_command(sp->cmd) !=
 611                                         QLA_SUCCESS)
 612                                         DEBUG2(qla_printk(KERN_WARNING, ha,
 613                                         "Abort failed while waiting --  %lx\n",
 614                                         sp->cmd->serial_number));
 615                         }
 616                         spin_lock_irqsave(&ha->hardware_lock, flags);
 617                 }
 618         }
 619         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 620 }
 621
 622 static void
 623 qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
 624 {
 625         struct Scsi_Host *shost = cmnd->device->host;
 626         struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
 627         unsigned long flags;
 628
 629         spin_lock_irqsave(shost->host_lock, flags);
 630         while (rport->port_state == FC_PORTSTATE_BLOCKED) {
 631                 spin_unlock_irqrestore(shost->host_lock, flags);
 632                 msleep(1000);
 633                 spin_lock_irqsave(shost->host_lock, flags);
 634         }
 635         spin_unlock_irqrestore(shost->host_lock, flags);
 636         return;
 637 }
 638
 639 /**************************************************************************
 640 * qla2xxx_eh_abort
 641 *
 642 * Description:
 643 *    The abort function will abort the specified command.
 644 *
 645 * Input:
 646 *    cmd = Linux SCSI command packet to be aborted.
 647 *
 648 * Returns:
 649 *    Either SUCCESS or FAILED.
 650 *
 651 * Note:
 652 *    Only return FAILED if command not returned by firmware.
 653 **************************************************************************/
 654 static int
 655 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 656 {
 657         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 658         srb_t *sp;
 659         int ret, i;
 660         unsigned int id, lun;
 661         unsigned long serial;
 662         unsigned long flags;
 663         int wait = 0;
 664         struct qla_hw_data *ha = vha->hw;
 665         struct req_que *req;
 666         srb_t *spt;
 667
 668         qla2x00_block_error_handler(cmd);
 669
 670         if (!CMD_SP(cmd))
 671                 return SUCCESS;
 672
 673         ret = SUCCESS;
 674
 675         id = cmd->device->id;
 676         lun = cmd->device->lun;
 677         serial = cmd->serial_number;
 678         spt = (srb_t *) CMD_SP(cmd);
 679         if (!spt)
 680                 return SUCCESS;
 681         req = spt->que;
 682
 683         /* Check active list for command command. */
 684         spin_lock_irqsave(&ha->hardware_lock, flags);
 685         for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
 686                 sp = req->outstanding_cmds[i];
 687
 688                 if (sp == NULL)
 689                         continue;
 690
 691                 if (sp->cmd != cmd)
 692                         continue;
 693
 694                 DEBUG2(printk("%s(%ld): aborting sp %p from RISC."
 695                 " pid=%ld.\n", __func__, vha->host_no, sp, serial));
 696
 697                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 698                 if (ha->isp_ops->abort_command(vha, sp, req)) {
 699                         DEBUG2(printk("%s(%ld): abort_command "
 700                         "mbx failed.\n", __func__, vha->host_no));
 701                         ret = FAILED;
 702                 } else {
 703                         DEBUG3(printk("%s(%ld): abort_command "
 704                         "mbx success.\n", __func__, vha->host_no));
 705                         wait = 1;
 706                 }
 707                 spin_lock_irqsave(&ha->hardware_lock, flags);
 708                 break;
 709         }
 710         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 711
 712         /* Wait for the command to be returned. */
 713         if (wait) {
 714                 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
 715                         qla_printk(KERN_ERR, ha,
 716                             "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
 717                             "%x.\n", vha->host_no, id, lun, serial, ret);
 718                         ret = FAILED;
 719                 }
 720         }
 721
 722         qla_printk(KERN_INFO, ha,
 723             "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
 724             vha->host_no, id, lun, wait, serial, ret);
 725
 726         return ret;
 727 }
 728
 729 enum nexus_wait_type {
 730         WAIT_HOST = 0,
 731         WAIT_TARGET,
 732         WAIT_LUN,
 733 };
 734
 735 static int
 736 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
 737         unsigned int l, srb_t *sp, enum nexus_wait_type type)
 738 {
 739         int cnt, match, status;
 740         unsigned long flags;
 741         struct qla_hw_data *ha = vha->hw;
 742         struct req_que *req;
 743
 744         status = QLA_SUCCESS;
 745         if (!sp)
 746                 return status;
 747
 748         spin_lock_irqsave(&ha->hardware_lock, flags);
 749         req = sp->que;
 750         for (cnt = 1; status == QLA_SUCCESS &&
 751                 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
 752                 sp = req->outstanding_cmds[cnt];
 753                 if (!sp)
 754                         continue;
 755
 756                 if (vha->vp_idx != sp->fcport->vha->vp_idx)
 757                         continue;
 758                 match = 0;
 759                 switch (type) {
 760                 case WAIT_HOST:
 761                         match = 1;
 762                         break;
 763                 case WAIT_TARGET:
 764                         match = sp->cmd->device->id == t;
 765                         break;
 766                 case WAIT_LUN:
 767                         match = (sp->cmd->device->id == t &&
 768                                 sp->cmd->device->lun == l);
 769                         break;
 770                 }
 771                 if (!match)
 772                         continue;
 773
 774                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 775                 status = qla2x00_eh_wait_on_command(sp->cmd);
 776                 spin_lock_irqsave(&ha->hardware_lock, flags);
 777         }
 778         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 779
 780         return status;
 781 }
 782
 783 static char *reset_errors[] = {
 784         "HBA not online",
 785         "HBA not ready",
 786         "Task management failed",
 787         "Waiting for command completions",
 788 };
 789
 790 static int
 791 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
 792     struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int))
 793 {
 794         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 795         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 796         int err;
 797
 798         qla2x00_block_error_handler(cmd);
 799
 800         if (!fcport)
 801                 return FAILED;
 802
 803         qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
 804             vha->host_no, cmd->device->id, cmd->device->lun, name);
 805
 806         err = 0;
 807         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
 808                 goto eh_reset_failed;
 809         err = 1;
 810         if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
 811                 goto eh_reset_failed;
 812         err = 2;
 813         if (do_reset(fcport, cmd->device->lun) != QLA_SUCCESS)
 814                 goto eh_reset_failed;
 815         err = 3;
 816         if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
 817             cmd->device->lun, (srb_t *) CMD_SP(cmd), type) != QLA_SUCCESS)
 818                 goto eh_reset_failed;
 819
 820         qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
 821             vha->host_no, cmd->device->id, cmd->device->lun, name);
 822
 823         return SUCCESS;
 824
 825  eh_reset_failed:
 826         qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
 827             , vha->host_no, cmd->device->id, cmd->device->lun, name,
 828             reset_errors[err]);
 829         return FAILED;
 830 }
 831
 832 static int
 833 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
 834 {
 835         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 836         struct qla_hw_data *ha = vha->hw;
 837
 838         return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
 839             ha->isp_ops->lun_reset);
 840 }
 841
 842 static int
 843 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
 844 {
 845         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 846         struct qla_hw_data *ha = vha->hw;
 847
 848         return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
 849             ha->isp_ops->target_reset);
 850 }
 851
 852 /**************************************************************************
 853 * qla2xxx_eh_bus_reset
 854 *
 855 * Description:
 856 *    The bus reset function will reset the bus and abort any executing
 857 *    commands.
 858 *
 859 * Input:
 860 *    cmd = Linux SCSI command packet of the command that cause the
 861 *          bus reset.
 862 *
 863 * Returns:
 864 *    SUCCESS/FAILURE (defined as macro in scsi.h).
 865 *
 866 **************************************************************************/
 867 static int
 868 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
 869 {
 870         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 871         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 872         int ret = FAILED;
 873         unsigned int id, lun;
 874         unsigned long serial;
 875         srb_t *sp = (srb_t *) CMD_SP(cmd);
 876
 877         qla2x00_block_error_handler(cmd);
 878
 879         id = cmd->device->id;
 880         lun = cmd->device->lun;
 881         serial = cmd->serial_number;
 882
 883         if (!fcport)
 884                 return ret;
 885
 886         qla_printk(KERN_INFO, vha->hw,
 887             "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
 888
 889         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
 890                 DEBUG2(printk("%s failed:board disabled\n",__func__));
 891                 goto eh_bus_reset_done;
 892         }
 893
 894         if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
 895                 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
 896                         ret = SUCCESS;
 897         }
 898         if (ret == FAILED)
 899                 goto eh_bus_reset_done;
 900
 901         /* Flush outstanding commands. */
 902         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) !=
 903             QLA_SUCCESS)
 904                 ret = FAILED;
 905
 906 eh_bus_reset_done:
 907         qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
 908             (ret == FAILED) ? "failed" : "succeded");
 909
 910         return ret;
 911 }
 912
 913 /**************************************************************************
 914 * qla2xxx_eh_host_reset
 915 *
 916 * Description:
 917 *    The reset function will reset the Adapter.
 918 *
 919 * Input:
 920 *      cmd = Linux SCSI command packet of the command that cause the
 921 *            adapter reset.
 922 *
 923 * Returns:
 924 *      Either SUCCESS or FAILED.
 925 *
 926 * Note:
 927 **************************************************************************/
 928 static int
 929 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
 930 {
 931         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 932         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 933         struct qla_hw_data *ha = vha->hw;
 934         int ret = FAILED;
 935         unsigned int id, lun;
 936         unsigned long serial;
 937         srb_t *sp = (srb_t *) CMD_SP(cmd);
 938         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 939
 940         qla2x00_block_error_handler(cmd);
 941
 942         id = cmd->device->id;
 943         lun = cmd->device->lun;
 944         serial = cmd->serial_number;
 945
 946         if (!fcport)
 947                 return ret;
 948
 949         qla_printk(KERN_INFO, ha,
 950             "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
 951
 952         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
 953                 goto eh_host_reset_lock;
 954
 955         /*
 956          * Fixme-may be dpc thread is active and processing
 957          * loop_resync,so wait a while for it to
 958          * be completed and then issue big hammer.Otherwise
 959          * it may cause I/O failure as big hammer marks the
 960          * devices as lost kicking of the port_down_timer
 961          * while dpc is stuck for the mailbox to complete.
 962          */
 963         qla2x00_wait_for_loop_ready(vha);
 964         if (vha != base_vha) {
 965                 if (qla2x00_vp_abort_isp(vha))
 966                         goto eh_host_reset_lock;
 967         } else {
 968                 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
 969                 if (qla2x00_abort_isp(base_vha)) {
 970                         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
 971                         /* failed. schedule dpc to try */
 972                         set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
 973
 974                         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
 975                                 goto eh_host_reset_lock;
 976                 }
 977                 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
 978         }
 979
 980         /* Waiting for command to be returned to OS.*/
 981         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) ==
 982                 QLA_SUCCESS)
 983                 ret = SUCCESS;
 984
 985 eh_host_reset_lock:
 986         qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
 987             (ret == FAILED) ? "failed" : "succeded");
 988
 989         return ret;
 990 }
 991
 992 /*
 993 * qla2x00_loop_reset
 994 *      Issue loop reset.
 995 *
 996 * Input:
 997 *      ha = adapter block pointer.
 998 *
 999 * Returns:
1000 *      0 = success
1001 */
1002 int
1003 qla2x00_loop_reset(scsi_qla_host_t *vha)
1004 {
1005         int ret;
1006         struct fc_port *fcport;
1007         struct qla_hw_data *ha = vha->hw;
1008
1009         if (ha->flags.enable_lip_full_login && !vha->vp_idx) {
1010                 ret = qla2x00_full_login_lip(vha);
1011                 if (ret != QLA_SUCCESS) {
1012                         DEBUG2_3(printk("%s(%ld): failed: "
1013                             "full_login_lip=%d.\n", __func__, vha->host_no,
1014                             ret));
1015                 }
1016                 atomic_set(&vha->loop_state, LOOP_DOWN);
1017                 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1018                 qla2x00_mark_all_devices_lost(vha, 0);
1019                 qla2x00_wait_for_loop_ready(vha);
1020         }
1021
1022         if (ha->flags.enable_lip_reset && !vha->vp_idx) {
1023                 ret = qla2x00_lip_reset(vha);
1024                 if (ret != QLA_SUCCESS) {
1025                         DEBUG2_3(printk("%s(%ld): failed: "
1026                             "lip_reset=%d.\n", __func__, vha->host_no, ret));
1027                 } else
1028                         qla2x00_wait_for_loop_ready(vha);
1029         }
1030
1031         if (ha->flags.enable_target_reset) {
1032                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1033                         if (fcport->port_type != FCT_TARGET)
1034                                 continue;
1035
1036                         ret = ha->isp_ops->target_reset(fcport, 0);
1037                         if (ret != QLA_SUCCESS) {
1038                                 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1039                                     "target_reset=%d d_id=%x.\n", __func__,
1040                                     vha->host_no, ret, fcport->d_id.b24));
1041                         }
1042                 }
1043         }
1044         /* Issue marker command only when we are going to start the I/O */
1045         vha->marker_needed = 1;
1046
1047         return QLA_SUCCESS;
1048 }
1049
1050 void
1051 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1052 {
1053         int que, cnt;
1054         unsigned long flags;
1055         srb_t *sp;
1056         struct qla_hw_data *ha = vha->hw;
1057         struct req_que *req;
1058
1059         spin_lock_irqsave(&ha->hardware_lock, flags);
1060         for (que = 0; que < ha->max_queues; que++) {
1061                 req = ha->req_q_map[que];
1062                 if (!req)
1063                         continue;
1064                 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1065                         sp = req->outstanding_cmds[cnt];
1066                         if (sp) {
1067                                 req->outstanding_cmds[cnt] = NULL;
1068                                 sp->cmd->result = res;
1069                                 qla2x00_sp_compl(ha, sp);
1070                         }
1071                 }
1072         }
1073         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1074 }
1075
1076 static int
1077 qla2xxx_slave_alloc(struct scsi_device *sdev)
1078 {
1079         struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1080
1081         if (!rport || fc_remote_port_chkready(rport))
1082                 return -ENXIO;
1083
1084         sdev->hostdata = *(fc_port_t **)rport->dd_data;
1085
1086         return 0;
1087 }
1088
1089 static int
1090 qla2xxx_slave_configure(struct scsi_device *sdev)
1091 {
1092         scsi_qla_host_t *vha = shost_priv(sdev->host);
1093         struct qla_hw_data *ha = vha->hw;
1094         struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1095         struct req_que *req = ha->req_q_map[vha->req_ques[0]];
1096
1097         if (sdev->tagged_supported)
1098                 scsi_activate_tcq(sdev, req->max_q_depth);
1099         else
1100                 scsi_deactivate_tcq(sdev, req->max_q_depth);
1101
1102         rport->dev_loss_tmo = ha->port_down_retry_count;
1103
1104         return 0;
1105 }
1106
1107 static void
1108 qla2xxx_slave_destroy(struct scsi_device *sdev)
1109 {
1110         sdev->hostdata = NULL;
1111 }
1112
1113 static int
1114 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1115 {
1116         scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1117         return sdev->queue_depth;
1118 }
1119
1120 static int
1121 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1122 {
1123         if (sdev->tagged_supported) {
1124                 scsi_set_tag_type(sdev, tag_type);
1125                 if (tag_type)
1126                         scsi_activate_tcq(sdev, sdev->queue_depth);
1127                 else
1128                         scsi_deactivate_tcq(sdev, sdev->queue_depth);
1129         } else
1130                 tag_type = 0;
1131
1132         return tag_type;
1133 }
1134
1135 /**
1136  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1137  * @ha: HA context
1138  *
1139  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1140  * supported addressing method.
1141  */
1142 static void
1143 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1144 {
1145         /* Assume a 32bit DMA mask. */
1146         ha->flags.enable_64bit_addressing = 0;
1147
1148         if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1149                 /* Any upper-dword bits set? */
1150                 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1151                     !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1152                         /* Ok, a 64bit DMA mask is applicable. */
1153                         ha->flags.enable_64bit_addressing = 1;
1154                         ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1155                         ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1156                         return;
1157                 }
1158         }
1159
1160         dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1161         pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1162 }
1163
1164 static void
1165 qla2x00_enable_intrs(struct qla_hw_data *ha)
1166 {
1167         unsigned long flags = 0;
1168         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1169
1170         spin_lock_irqsave(&ha->hardware_lock, flags);
1171         ha->interrupts_on = 1;
1172         /* enable risc and host interrupts */
1173         WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1174         RD_REG_WORD(&reg->ictrl);
1175         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1176
1177 }
1178
1179 static void
1180 qla2x00_disable_intrs(struct qla_hw_data *ha)
1181 {
1182         unsigned long flags = 0;
1183         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1184
1185         spin_lock_irqsave(&ha->hardware_lock, flags);
1186         ha->interrupts_on = 0;
1187         /* disable risc and host interrupts */
1188         WRT_REG_WORD(&reg->ictrl, 0);
1189         RD_REG_WORD(&reg->ictrl);
1190         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1191 }
1192
1193 static void
1194 qla24xx_enable_intrs(struct qla_hw_data *ha)
1195 {
1196         unsigned long flags = 0;
1197         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1198
1199         spin_lock_irqsave(&ha->hardware_lock, flags);
1200         ha->interrupts_on = 1;
1201         WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1202         RD_REG_DWORD(&reg->ictrl);
1203         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1204 }
1205
1206 static void
1207 qla24xx_disable_intrs(struct qla_hw_data *ha)
1208 {
1209         unsigned long flags = 0;
1210         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1211
1212         if (IS_NOPOLLING_TYPE(ha))
1213                 return;
1214         spin_lock_irqsave(&ha->hardware_lock, flags);
1215         ha->interrupts_on = 0;
1216         WRT_REG_DWORD(&reg->ictrl, 0);
1217         RD_REG_DWORD(&reg->ictrl);
1218         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1219 }
1220
1221 static struct isp_operations qla2100_isp_ops = {
1222         .pci_config             = qla2100_pci_config,
1223         .reset_chip             = qla2x00_reset_chip,
1224         .chip_diag              = qla2x00_chip_diag,
1225         .config_rings           = qla2x00_config_rings,
1226         .reset_adapter          = qla2x00_reset_adapter,
1227         .nvram_config           = qla2x00_nvram_config,
1228         .update_fw_options      = qla2x00_update_fw_options,
1229         .load_risc              = qla2x00_load_risc,
1230         .pci_info_str           = qla2x00_pci_info_str,
1231         .fw_version_str         = qla2x00_fw_version_str,
1232         .intr_handler           = qla2100_intr_handler,
1233         .enable_intrs           = qla2x00_enable_intrs,
1234         .disable_intrs          = qla2x00_disable_intrs,
1235         .abort_command          = qla2x00_abort_command,
1236         .target_reset           = qla2x00_abort_target,
1237         .lun_reset              = qla2x00_lun_reset,
1238         .fabric_login           = qla2x00_login_fabric,
1239         .fabric_logout          = qla2x00_fabric_logout,
1240         .calc_req_entries       = qla2x00_calc_iocbs_32,
1241         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1242         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1243         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1244         .read_nvram             = qla2x00_read_nvram_data,
1245         .write_nvram            = qla2x00_write_nvram_data,
1246         .fw_dump                = qla2100_fw_dump,
1247         .beacon_on              = NULL,
1248         .beacon_off             = NULL,
1249         .beacon_blink           = NULL,
1250         .read_optrom            = qla2x00_read_optrom_data,
1251         .write_optrom           = qla2x00_write_optrom_data,
1252         .get_flash_version      = qla2x00_get_flash_version,
1253         .start_scsi             = qla2x00_start_scsi,
1254 };
1255
1256 static struct isp_operations qla2300_isp_ops = {
1257         .pci_config             = qla2300_pci_config,
1258         .reset_chip             = qla2x00_reset_chip,
1259         .chip_diag              = qla2x00_chip_diag,
1260         .config_rings           = qla2x00_config_rings,
1261         .reset_adapter          = qla2x00_reset_adapter,
1262         .nvram_config           = qla2x00_nvram_config,
1263         .update_fw_options      = qla2x00_update_fw_options,
1264         .load_risc              = qla2x00_load_risc,
1265         .pci_info_str           = qla2x00_pci_info_str,
1266         .fw_version_str         = qla2x00_fw_version_str,
1267         .intr_handler           = qla2300_intr_handler,
1268         .enable_intrs           = qla2x00_enable_intrs,
1269         .disable_intrs          = qla2x00_disable_intrs,
1270         .abort_command          = qla2x00_abort_command,
1271         .target_reset           = qla2x00_abort_target,
1272         .lun_reset              = qla2x00_lun_reset,
1273         .fabric_login           = qla2x00_login_fabric,
1274         .fabric_logout          = qla2x00_fabric_logout,
1275         .calc_req_entries       = qla2x00_calc_iocbs_32,
1276         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1277         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1278         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1279         .read_nvram             = qla2x00_read_nvram_data,
1280         .write_nvram            = qla2x00_write_nvram_data,
1281         .fw_dump                = qla2300_fw_dump,
1282         .beacon_on              = qla2x00_beacon_on,
1283         .beacon_off             = qla2x00_beacon_off,
1284         .beacon_blink           = qla2x00_beacon_blink,
1285         .read_optrom            = qla2x00_read_optrom_data,
1286         .write_optrom           = qla2x00_write_optrom_data,
1287         .get_flash_version      = qla2x00_get_flash_version,
1288         .start_scsi             = qla2x00_start_scsi,
1289 };
1290
1291 static struct isp_operations qla24xx_isp_ops = {
1292         .pci_config             = qla24xx_pci_config,
1293         .reset_chip             = qla24xx_reset_chip,
1294         .chip_diag              = qla24xx_chip_diag,
1295         .config_rings           = qla24xx_config_rings,
1296         .reset_adapter          = qla24xx_reset_adapter,
1297         .nvram_config           = qla24xx_nvram_config,
1298         .update_fw_options      = qla24xx_update_fw_options,
1299         .load_risc              = qla24xx_load_risc,
1300         .pci_info_str           = qla24xx_pci_info_str,
1301         .fw_version_str         = qla24xx_fw_version_str,
1302         .intr_handler           = qla24xx_intr_handler,
1303         .enable_intrs           = qla24xx_enable_intrs,
1304         .disable_intrs          = qla24xx_disable_intrs,
1305         .abort_command          = qla24xx_abort_command,
1306         .target_reset           = qla24xx_abort_target,
1307         .lun_reset              = qla24xx_lun_reset,
1308         .fabric_login           = qla24xx_login_fabric,
1309         .fabric_logout          = qla24xx_fabric_logout,
1310         .calc_req_entries       = NULL,
1311         .build_iocbs            = NULL,
1312         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1313         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1314         .read_nvram             = qla24xx_read_nvram_data,
1315         .write_nvram            = qla24xx_write_nvram_data,
1316         .fw_dump                = qla24xx_fw_dump,
1317         .beacon_on              = qla24xx_beacon_on,
1318         .beacon_off             = qla24xx_beacon_off,
1319         .beacon_blink           = qla24xx_beacon_blink,
1320         .read_optrom            = qla24xx_read_optrom_data,
1321         .write_optrom           = qla24xx_write_optrom_data,
1322         .get_flash_version      = qla24xx_get_flash_version,
1323         .start_scsi             = qla24xx_start_scsi,
1324 };
1325
1326 static struct isp_operations qla25xx_isp_ops = {
1327         .pci_config             = qla25xx_pci_config,
1328         .reset_chip             = qla24xx_reset_chip,
1329         .chip_diag              = qla24xx_chip_diag,
1330         .config_rings           = qla24xx_config_rings,
1331         .reset_adapter          = qla24xx_reset_adapter,
1332         .nvram_config           = qla24xx_nvram_config,
1333         .update_fw_options      = qla24xx_update_fw_options,
1334         .load_risc              = qla24xx_load_risc,
1335         .pci_info_str           = qla24xx_pci_info_str,
1336         .fw_version_str         = qla24xx_fw_version_str,
1337         .intr_handler           = qla24xx_intr_handler,
1338         .enable_intrs           = qla24xx_enable_intrs,
1339         .disable_intrs          = qla24xx_disable_intrs,
1340         .abort_command          = qla24xx_abort_command,
1341         .target_reset           = qla24xx_abort_target,
1342         .lun_reset              = qla24xx_lun_reset,
1343         .fabric_login           = qla24xx_login_fabric,
1344         .fabric_logout          = qla24xx_fabric_logout,
1345         .calc_req_entries       = NULL,
1346         .build_iocbs            = NULL,
1347         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1348         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1349         .read_nvram             = qla25xx_read_nvram_data,
1350         .write_nvram            = qla25xx_write_nvram_data,
1351         .fw_dump                = qla25xx_fw_dump,
1352         .beacon_on              = qla24xx_beacon_on,
1353         .beacon_off             = qla24xx_beacon_off,
1354         .beacon_blink           = qla24xx_beacon_blink,
1355         .read_optrom            = qla25xx_read_optrom_data,
1356         .write_optrom           = qla24xx_write_optrom_data,
1357         .get_flash_version      = qla24xx_get_flash_version,
1358         .start_scsi             = qla24xx_start_scsi,
1359 };
1360
1361 static struct isp_operations qla81xx_isp_ops = {
1362         .pci_config             = qla25xx_pci_config,
1363         .reset_chip             = qla24xx_reset_chip,
1364         .chip_diag              = qla24xx_chip_diag,
1365         .config_rings           = qla24xx_config_rings,
1366         .reset_adapter          = qla24xx_reset_adapter,
1367         .nvram_config           = qla81xx_nvram_config,
1368         .update_fw_options      = qla81xx_update_fw_options,
1369         .load_risc              = qla81xx_load_risc,
1370         .pci_info_str           = qla24xx_pci_info_str,
1371         .fw_version_str         = qla24xx_fw_version_str,
1372         .intr_handler           = qla24xx_intr_handler,
1373         .enable_intrs           = qla24xx_enable_intrs,
1374         .disable_intrs          = qla24xx_disable_intrs,
1375         .abort_command          = qla24xx_abort_command,
1376         .target_reset           = qla24xx_abort_target,
1377         .lun_reset              = qla24xx_lun_reset,
1378         .fabric_login           = qla24xx_login_fabric,
1379         .fabric_logout          = qla24xx_fabric_logout,
1380         .calc_req_entries       = NULL,
1381         .build_iocbs            = NULL,
1382         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1383         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1384         .read_nvram             = qla25xx_read_nvram_data,
1385         .write_nvram            = qla25xx_write_nvram_data,
1386         .fw_dump                = qla81xx_fw_dump,
1387         .beacon_on              = qla24xx_beacon_on,
1388         .beacon_off             = qla24xx_beacon_off,
1389         .beacon_blink           = qla24xx_beacon_blink,
1390         .read_optrom            = qla25xx_read_optrom_data,
1391         .write_optrom           = qla24xx_write_optrom_data,
1392         .get_flash_version      = qla24xx_get_flash_version,
1393         .start_scsi             = qla24xx_start_scsi,
1394 };
1395
1396 static inline void
1397 qla2x00_set_isp_flags(struct qla_hw_data *ha)
1398 {
1399         ha->device_type = DT_EXTENDED_IDS;
1400         switch (ha->pdev->device) {
1401         case PCI_DEVICE_ID_QLOGIC_ISP2100:
1402                 ha->device_type |= DT_ISP2100;
1403                 ha->device_type &= ~DT_EXTENDED_IDS;
1404                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1405                 break;
1406         case PCI_DEVICE_ID_QLOGIC_ISP2200:
1407                 ha->device_type |= DT_ISP2200;
1408                 ha->device_type &= ~DT_EXTENDED_IDS;
1409                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1410                 break;
1411         case PCI_DEVICE_ID_QLOGIC_ISP2300:
1412                 ha->device_type |= DT_ISP2300;
1413                 ha->device_type |= DT_ZIO_SUPPORTED;
1414                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1415                 break;
1416         case PCI_DEVICE_ID_QLOGIC_ISP2312:
1417                 ha->device_type |= DT_ISP2312;
1418                 ha->device_type |= DT_ZIO_SUPPORTED;
1419                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1420                 break;
1421         case PCI_DEVICE_ID_QLOGIC_ISP2322:
1422                 ha->device_type |= DT_ISP2322;
1423                 ha->device_type |= DT_ZIO_SUPPORTED;
1424                 if (ha->pdev->subsystem_vendor == 0x1028 &&
1425                     ha->pdev->subsystem_device == 0x0170)
1426                         ha->device_type |= DT_OEM_001;
1427                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1428                 break;
1429         case PCI_DEVICE_ID_QLOGIC_ISP6312:
1430                 ha->device_type |= DT_ISP6312;
1431                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1432                 break;
1433         case PCI_DEVICE_ID_QLOGIC_ISP6322:
1434                 ha->device_type |= DT_ISP6322;
1435                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1436                 break;
1437         case PCI_DEVICE_ID_QLOGIC_ISP2422:
1438                 ha->device_type |= DT_ISP2422;
1439                 ha->device_type |= DT_ZIO_SUPPORTED;
1440                 ha->device_type |= DT_FWI2;
1441                 ha->device_type |= DT_IIDMA;
1442                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1443                 break;
1444         case PCI_DEVICE_ID_QLOGIC_ISP2432:
1445                 ha->device_type |= DT_ISP2432;
1446                 ha->device_type |= DT_ZIO_SUPPORTED;
1447                 ha->device_type |= DT_FWI2;
1448                 ha->device_type |= DT_IIDMA;
1449                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1450                 break;
1451         case PCI_DEVICE_ID_QLOGIC_ISP8432:
1452                 ha->device_type |= DT_ISP8432;
1453                 ha->device_type |= DT_ZIO_SUPPORTED;
1454                 ha->device_type |= DT_FWI2;
1455                 ha->device_type |= DT_IIDMA;
1456                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1457                 break;
1458         case PCI_DEVICE_ID_QLOGIC_ISP5422:
1459                 ha->device_type |= DT_ISP5422;
1460                 ha->device_type |= DT_FWI2;
1461                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1462                 break;
1463         case PCI_DEVICE_ID_QLOGIC_ISP5432:
1464                 ha->device_type |= DT_ISP5432;
1465                 ha->device_type |= DT_FWI2;
1466                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1467                 break;
1468         case PCI_DEVICE_ID_QLOGIC_ISP2532:
1469                 ha->device_type |= DT_ISP2532;
1470                 ha->device_type |= DT_ZIO_SUPPORTED;
1471                 ha->device_type |= DT_FWI2;
1472                 ha->device_type |= DT_IIDMA;
1473                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1474                 break;
1475         case PCI_DEVICE_ID_QLOGIC_ISP8001:
1476                 ha->device_type |= DT_ISP8001;
1477                 ha->device_type |= DT_ZIO_SUPPORTED;
1478                 ha->device_type |= DT_FWI2;
1479                 ha->device_type |= DT_IIDMA;
1480                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1481                 break;
1482         }
1483 }
1484
1485 static int
1486 qla2x00_iospace_config(struct qla_hw_data *ha)
1487 {
1488         resource_size_t pio;
1489         uint16_t msix;
1490
1491         if (pci_request_selected_regions(ha->pdev, ha->bars,
1492             QLA2XXX_DRIVER_NAME)) {
1493                 qla_printk(KERN_WARNING, ha,
1494                     "Failed to reserve PIO/MMIO regions (%s)\n",
1495                     pci_name(ha->pdev));
1496
1497                 goto iospace_error_exit;
1498         }
1499         if (!(ha->bars & 1))
1500                 goto skip_pio;
1501
1502         /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1503         pio = pci_resource_start(ha->pdev, 0);
1504         if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1505                 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1506                         qla_printk(KERN_WARNING, ha,
1507                             "Invalid PCI I/O region size (%s)...\n",
1508                                 pci_name(ha->pdev));
1509                         pio = 0;
1510                 }
1511         } else {
1512                 qla_printk(KERN_WARNING, ha,
1513                     "region #0 not a PIO resource (%s)...\n",
1514                     pci_name(ha->pdev));
1515                 pio = 0;
1516         }
1517         ha->pio_address = pio;
1518
1519 skip_pio:
1520         /* Use MMIO operations for all accesses. */
1521         if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1522                 qla_printk(KERN_ERR, ha,
1523                     "region #1 not an MMIO resource (%s), aborting\n",
1524                     pci_name(ha->pdev));
1525                 goto iospace_error_exit;
1526         }
1527         if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1528                 qla_printk(KERN_ERR, ha,
1529                     "Invalid PCI mem region size (%s), aborting\n",
1530                         pci_name(ha->pdev));
1531                 goto iospace_error_exit;
1532         }
1533
1534         ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1535         if (!ha->iobase) {
1536                 qla_printk(KERN_ERR, ha,
1537                     "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1538
1539                 goto iospace_error_exit;
1540         }
1541
1542         /* Determine queue resources */
1543         ha->max_queues = 1;
1544         if (ql2xmaxqueues <= 1 || (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1545                 goto mqiobase_exit;
1546         ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1547                         pci_resource_len(ha->pdev, 3));
1548         if (ha->mqiobase) {
1549                 /* Read MSIX vector size of the board */
1550                 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1551                 ha->msix_count = msix;
1552                 /* Max queues are bounded by available msix vectors */
1553                 /* queue 0 uses two msix vectors */
1554                 if (ha->msix_count - 1 < ql2xmaxqueues)
1555                         ha->max_queues = ha->msix_count - 1;
1556                 else if (ql2xmaxqueues > QLA_MQ_SIZE)
1557                         ha->max_queues = QLA_MQ_SIZE;
1558                 else
1559                         ha->max_queues = ql2xmaxqueues;
1560                 qla_printk(KERN_INFO, ha,
1561                         "MSI-X vector count: %d\n", msix);
1562         }
1563
1564 mqiobase_exit:
1565         ha->msix_count = ha->max_queues + 1;
1566         return (0);
1567
1568 iospace_error_exit:
1569         return (-ENOMEM);
1570 }
1571
1572 static void
1573 qla2xxx_scan_start(struct Scsi_Host *shost)
1574 {
1575         scsi_qla_host_t *vha = shost_priv(shost);
1576
1577         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1578         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1579         set_bit(RSCN_UPDATE, &vha->dpc_flags);
1580         set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1581 }
1582
1583 static int
1584 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1585 {
1586         scsi_qla_host_t *vha = shost_priv(shost);
1587
1588         if (!vha->host)
1589                 return 1;
1590         if (time > vha->hw->loop_reset_delay * HZ)
1591                 return 1;
1592
1593         return atomic_read(&vha->loop_state) == LOOP_READY;
1594 }
1595
1596 /*
1597  * PCI driver interface
1598  */
1599 static int __devinit
1600 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1601 {
1602         int     ret = -ENODEV;
1603         struct Scsi_Host *host;
1604         scsi_qla_host_t *base_vha = NULL;
1605         struct qla_hw_data *ha;
1606         char pci_info[30];
1607         char fw_str[30];
1608         struct scsi_host_template *sht;
1609         int bars, max_id, mem_only = 0;
1610         uint16_t req_length = 0, rsp_length = 0;
1611         struct req_que *req = NULL;
1612         struct rsp_que *rsp = NULL;
1613
1614         bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1615         sht = &qla2xxx_driver_template;
1616         if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1617             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1618             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
1619             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1620             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1621             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1622             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001) {
1623                 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1624                 mem_only = 1;
1625         }
1626
1627         if (mem_only) {
1628                 if (pci_enable_device_mem(pdev))
1629                         goto probe_out;
1630         } else {
1631                 if (pci_enable_device(pdev))
1632                         goto probe_out;
1633         }
1634
1635         /* This may fail but that's ok */
1636         pci_enable_pcie_error_reporting(pdev);
1637
1638         ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1639         if (!ha) {
1640                 DEBUG(printk("Unable to allocate memory for ha\n"));
1641                 goto probe_out;
1642         }
1643         ha->pdev = pdev;
1644
1645         /* Clear our data area */
1646         ha->bars = bars;
1647         ha->mem_only = mem_only;
1648         spin_lock_init(&ha->hardware_lock);
1649
1650         /* Set ISP-type information. */
1651         qla2x00_set_isp_flags(ha);
1652         /* Configure PCI I/O space */
1653         ret = qla2x00_iospace_config(ha);
1654         if (ret)
1655                 goto probe_hw_failed;
1656
1657         qla_printk(KERN_INFO, ha,
1658             "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1659             ha->iobase);
1660
1661         ha->prev_topology = 0;
1662         ha->init_cb_size = sizeof(init_cb_t);
1663         ha->link_data_rate = PORT_SPEED_UNKNOWN;
1664         ha->optrom_size = OPTROM_SIZE_2300;
1665
1666         /* Assign ISP specific operations. */
1667         max_id = MAX_TARGETS_2200;
1668         if (IS_QLA2100(ha)) {
1669                 max_id = MAX_TARGETS_2100;
1670                 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1671                 req_length = REQUEST_ENTRY_CNT_2100;
1672                 rsp_length = RESPONSE_ENTRY_CNT_2100;
1673                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
1674                 ha->gid_list_info_size = 4;
1675                 ha->flash_conf_off = ~0;
1676                 ha->flash_data_off = ~0;
1677                 ha->nvram_conf_off = ~0;
1678                 ha->nvram_data_off = ~0;
1679                 ha->isp_ops = &qla2100_isp_ops;
1680         } else if (IS_QLA2200(ha)) {
1681                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1682                 req_length = REQUEST_ENTRY_CNT_2200;
1683                 rsp_length = RESPONSE_ENTRY_CNT_2100;
1684                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
1685                 ha->gid_list_info_size = 4;
1686                 ha->flash_conf_off = ~0;
1687                 ha->flash_data_off = ~0;
1688                 ha->nvram_conf_off = ~0;
1689                 ha->nvram_data_off = ~0;
1690                 ha->isp_ops = &qla2100_isp_ops;
1691         } else if (IS_QLA23XX(ha)) {
1692                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1693                 req_length = REQUEST_ENTRY_CNT_2200;
1694                 rsp_length = RESPONSE_ENTRY_CNT_2300;
1695                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1696                 ha->gid_list_info_size = 6;
1697                 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1698                         ha->optrom_size = OPTROM_SIZE_2322;
1699                 ha->flash_conf_off = ~0;
1700                 ha->flash_data_off = ~0;
1701                 ha->nvram_conf_off = ~0;
1702                 ha->nvram_data_off = ~0;
1703                 ha->isp_ops = &qla2300_isp_ops;
1704         } else if (IS_QLA24XX_TYPE(ha)) {
1705                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1706                 req_length = REQUEST_ENTRY_CNT_24XX;
1707                 rsp_length = RESPONSE_ENTRY_CNT_2300;
1708                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1709                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1710                 ha->gid_list_info_size = 8;
1711                 ha->optrom_size = OPTROM_SIZE_24XX;
1712                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
1713                 ha->isp_ops = &qla24xx_isp_ops;
1714                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1715                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1716                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1717                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1718         } else if (IS_QLA25XX(ha)) {
1719                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1720                 req_length = REQUEST_ENTRY_CNT_24XX;
1721                 rsp_length = RESPONSE_ENTRY_CNT_2300;
1722                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1723                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1724                 ha->gid_list_info_size = 8;
1725                 ha->optrom_size = OPTROM_SIZE_25XX;
1726                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
1727                 ha->isp_ops = &qla25xx_isp_ops;
1728                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1729                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1730                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1731                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1732         } else if (IS_QLA81XX(ha)) {
1733                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1734                 req_length = REQUEST_ENTRY_CNT_24XX;
1735                 rsp_length = RESPONSE_ENTRY_CNT_2300;
1736                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1737                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
1738                 ha->gid_list_info_size = 8;
1739                 ha->optrom_size = OPTROM_SIZE_81XX;
1740                 ha->isp_ops = &qla81xx_isp_ops;
1741                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
1742                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
1743                 ha->nvram_conf_off = ~0;
1744                 ha->nvram_data_off = ~0;
1745         }
1746
1747         mutex_init(&ha->vport_lock);
1748         init_completion(&ha->mbx_cmd_comp);
1749         complete(&ha->mbx_cmd_comp);
1750         init_completion(&ha->mbx_intr_comp);
1751
1752         set_bit(0, (unsigned long *) ha->vp_idx_map);
1753
1754         qla2x00_config_dma_addressing(ha);
1755         ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
1756         if (!ret) {
1757                 qla_printk(KERN_WARNING, ha,
1758                     "[ERROR] Failed to allocate memory for adapter\n");
1759
1760                 goto probe_hw_failed;
1761         }
1762
1763         req->max_q_depth = MAX_Q_DEPTH;
1764         if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1765                 req->max_q_depth = ql2xmaxqdepth;
1766
1767
1768         base_vha = qla2x00_create_host(sht, ha);
1769         if (!base_vha) {
1770                 qla_printk(KERN_WARNING, ha,
1771                     "[ERROR] Failed to allocate memory for scsi_host\n");
1772
1773                 ret = -ENOMEM;
1774                 qla2x00_mem_free(ha);
1775                 qla2x00_free_que(ha, req, rsp);
1776                 goto probe_hw_failed;
1777         }
1778
1779         pci_set_drvdata(pdev, base_vha);
1780
1781         host = base_vha->host;
1782         base_vha->req_ques[0] = req->id;
1783         host->can_queue = req->length + 128;
1784         if (IS_QLA2XXX_MIDTYPE(ha))
1785                 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
1786         else
1787                 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
1788                                                 base_vha->vp_idx;
1789         if (IS_QLA2100(ha))
1790                 host->sg_tablesize = 32;
1791         host->max_id = max_id;
1792         host->this_id = 255;
1793         host->cmd_per_lun = 3;
1794         host->unique_id = host->host_no;
1795         host->max_cmd_len = MAX_CMDSZ;
1796         host->max_channel = MAX_BUSES - 1;
1797         host->max_lun = MAX_LUNS;
1798         host->transportt = qla2xxx_transport_template;
1799
1800         /* Set up the irqs */
1801         ret = qla2x00_request_irqs(ha, rsp);
1802         if (ret)
1803                 goto probe_init_failed;
1804         /* Alloc arrays of request and response ring ptrs */
1805         if (!qla2x00_alloc_queues(ha)) {
1806                 qla_printk(KERN_WARNING, ha,
1807                 "[ERROR] Failed to allocate memory for queue"
1808                 " pointers\n");
1809                 goto probe_init_failed;
1810         }
1811         ha->rsp_q_map[0] = rsp;
1812         ha->req_q_map[0] = req;
1813
1814         /* FWI2-capable only. */
1815         req->req_q_in = &ha->iobase->isp24.req_q_in;
1816         req->req_q_out = &ha->iobase->isp24.req_q_out;
1817         rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
1818         rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
1819         if (ha->mqenable) {
1820                 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
1821                 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
1822                 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
1823                 rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
1824         }
1825
1826         if (qla2x00_initialize_adapter(base_vha)) {
1827                 qla_printk(KERN_WARNING, ha,
1828                     "Failed to initialize adapter\n");
1829
1830                 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1831                     "Adapter flags %x.\n",
1832                     base_vha->host_no, base_vha->device_flags));
1833
1834                 ret = -ENODEV;
1835                 goto probe_failed;
1836         }
1837
1838         /*
1839          * Startup the kernel thread for this host adapter
1840          */
1841         ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1842                         "%s_dpc", base_vha->host_str);
1843         if (IS_ERR(ha->dpc_thread)) {
1844                 qla_printk(KERN_WARNING, ha,
1845                     "Unable to start DPC thread!\n");
1846                 ret = PTR_ERR(ha->dpc_thread);
1847                 goto probe_failed;
1848         }
1849
1850         list_add_tail(&base_vha->list, &ha->vp_list);
1851         base_vha->host->irq = ha->pdev->irq;
1852
1853         /* Initialized the timer */
1854         qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
1855
1856         DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1857             base_vha->host_no, ha));
1858
1859         base_vha->flags.init_done = 1;
1860         base_vha->flags.online = 1;
1861
1862         ret = scsi_add_host(host, &pdev->dev);
1863         if (ret)
1864                 goto probe_failed;
1865
1866         ha->isp_ops->enable_intrs(ha);
1867
1868         scsi_scan_host(host);
1869
1870         qla2x00_alloc_sysfs_attr(base_vha);
1871
1872         qla2x00_init_host_attr(base_vha);
1873
1874         qla2x00_dfs_setup(base_vha);
1875
1876         qla_printk(KERN_INFO, ha, "\n"
1877             " QLogic Fibre Channel HBA Driver: %s\n"
1878             "  QLogic %s - %s\n"
1879             "  ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1880             qla2x00_version_str, ha->model_number,
1881             ha->model_desc ? ha->model_desc : "", pdev->device,
1882             ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
1883             ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
1884             ha->isp_ops->fw_version_str(base_vha, fw_str));
1885
1886         return 0;
1887
1888 probe_init_failed:
1889         qla2x00_free_que(ha, req, rsp);
1890         ha->max_queues = 0;
1891
1892 probe_failed:
1893         qla2x00_free_device(base_vha);
1894
1895         scsi_host_put(base_vha->host);
1896
1897 probe_hw_failed:
1898         if (ha->iobase)
1899                 iounmap(ha->iobase);
1900
1901         pci_release_selected_regions(ha->pdev, ha->bars);
1902         kfree(ha);
1903         ha = NULL;
1904
1905 probe_out:
1906         pci_disable_device(pdev);
1907         return ret;
1908 }
1909
1910 static void
1911 qla2x00_remove_one(struct pci_dev *pdev)
1912 {
1913         scsi_qla_host_t *base_vha, *vha, *temp;
1914         struct qla_hw_data  *ha;
1915
1916         base_vha = pci_get_drvdata(pdev);
1917         ha = base_vha->hw;
1918
1919         list_for_each_entry_safe(vha, temp, &ha->vp_list, list) {
1920                 if (vha && vha->fc_vport)
1921                         fc_vport_terminate(vha->fc_vport);
1922         }
1923
1924         set_bit(UNLOADING, &base_vha->dpc_flags);
1925
1926         qla2x00_dfs_remove(base_vha);
1927
1928         qla84xx_put_chip(base_vha);
1929
1930         qla2x00_free_sysfs_attr(base_vha);
1931
1932         fc_remove_host(base_vha->host);
1933
1934         scsi_remove_host(base_vha->host);
1935
1936         qla2x00_free_device(base_vha);
1937
1938         scsi_host_put(base_vha->host);
1939
1940         if (ha->iobase)
1941                 iounmap(ha->iobase);
1942
1943         if (ha->mqiobase)
1944                 iounmap(ha->mqiobase);
1945
1946         pci_release_selected_regions(ha->pdev, ha->bars);
1947         kfree(ha);
1948         ha = NULL;
1949
1950         pci_disable_device(pdev);
1951         pci_set_drvdata(pdev, NULL);
1952 }
1953
1954 static void
1955 qla2x00_free_device(scsi_qla_host_t *vha)
1956 {
1957         struct qla_hw_data *ha = vha->hw;
1958         qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
1959
1960         /* Disable timer */
1961         if (vha->timer_active)
1962                 qla2x00_stop_timer(vha);
1963
1964         vha->flags.online = 0;
1965
1966         /* Kill the kernel thread for this host */
1967         if (ha->dpc_thread) {
1968                 struct task_struct *t = ha->dpc_thread;
1969
1970                 /*
1971                  * qla2xxx_wake_dpc checks for ->dpc_thread
1972                  * so we need to zero it out.
1973                  */
1974                 ha->dpc_thread = NULL;
1975                 kthread_stop(t);
1976         }
1977
1978         if (ha->flags.fce_enabled)
1979                 qla2x00_disable_fce_trace(vha, NULL, NULL);
1980
1981         if (ha->eft)
1982                 qla2x00_disable_eft_trace(vha);
1983
1984         /* Stop currently executing firmware. */
1985         qla2x00_try_to_stop_firmware(vha);
1986
1987         /* turn-off interrupts on the card */
1988         if (ha->interrupts_on)
1989                 ha->isp_ops->disable_intrs(ha);
1990
1991         qla2x00_free_irqs(vha);
1992
1993         qla2x00_mem_free(ha);
1994
1995         qla2x00_free_queues(ha);
1996 }
1997
1998 static inline void
1999 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
2000     int defer)
2001 {
2002         struct fc_rport *rport;
2003
2004         if (!fcport->rport)
2005                 return;
2006
2007         rport = fcport->rport;
2008         if (defer) {
2009                 spin_lock_irq(vha->host->host_lock);
2010                 fcport->drport = rport;
2011                 spin_unlock_irq(vha->host->host_lock);
2012                 set_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags);
2013                 qla2xxx_wake_dpc(vha);
2014         } else
2015                 fc_remote_port_delete(rport);
2016 }
2017
2018 /*
2019  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2020  *
2021  * Input: ha = adapter block pointer.  fcport = port structure pointer.
2022  *
2023  * Return: None.
2024  *
2025  * Context:
2026  */
2027 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
2028     int do_login, int defer)
2029 {
2030         if (atomic_read(&fcport->state) == FCS_ONLINE &&
2031             vha->vp_idx == fcport->vp_idx) {
2032                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2033                 qla2x00_schedule_rport_del(vha, fcport, defer);
2034         }
2035         /*
2036          * We may need to retry the login, so don't change the state of the
2037          * port but do the retries.
2038          */
2039         if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2040                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2041
2042         if (!do_login)
2043                 return;
2044
2045         if (fcport->login_retry == 0) {
2046                 fcport->login_retry = vha->hw->login_retry_count;
2047                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2048
2049                 DEBUG(printk("scsi(%ld): Port login retry: "
2050                     "%02x%02x%02x%02x%02x%02x%02x%02x, "
2051                     "id = 0x%04x retry cnt=%d\n",
2052                     vha->host_no,
2053                     fcport->port_name[0],
2054                     fcport->port_name[1],
2055                     fcport->port_name[2],
2056                     fcport->port_name[3],
2057                     fcport->port_name[4],
2058                     fcport->port_name[5],
2059                     fcport->port_name[6],
2060                     fcport->port_name[7],
2061                     fcport->loop_id,
2062                     fcport->login_retry));
2063         }
2064 }
2065
2066 /*
2067  * qla2x00_mark_all_devices_lost
2068  *      Updates fcport state when device goes offline.
2069  *
2070  * Input:
2071  *      ha = adapter block pointer.
2072  *      fcport = port structure pointer.
2073  *
2074  * Return:
2075  *      None.
2076  *
2077  * Context:
2078  */
2079 void
2080 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
2081 {
2082         fc_port_t *fcport;
2083
2084         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2085                 if (vha->vp_idx != fcport->vp_idx)
2086                         continue;
2087                 /*
2088                  * No point in marking the device as lost, if the device is
2089                  * already DEAD.
2090                  */
2091                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2092                         continue;
2093                 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2094                         atomic_set(&fcport->state, FCS_DEVICE_LOST);
2095                         qla2x00_schedule_rport_del(vha, fcport, defer);
2096                 } else
2097                         atomic_set(&fcport->state, FCS_DEVICE_LOST);
2098         }
2099 }
2100
2101 /*
2102 * qla2x00_mem_alloc
2103 *      Allocates adapter memory.
2104 *
2105 * Returns:
2106 *      0  = success.
2107 *      !0  = failure.
2108 */
2109 static int
2110 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2111         struct req_que **req, struct rsp_que **rsp)
2112 {
2113         char    name[16];
2114
2115         ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
2116                 &ha->init_cb_dma, GFP_KERNEL);
2117         if (!ha->init_cb)
2118                 goto fail;
2119
2120         ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2121                 &ha->gid_list_dma, GFP_KERNEL);
2122         if (!ha->gid_list)
2123                 goto fail_free_init_cb;
2124
2125         ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2126         if (!ha->srb_mempool)
2127                 goto fail_free_gid_list;
2128
2129         /* Get memory for cached NVRAM */
2130         ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2131         if (!ha->nvram)
2132                 goto fail_free_srb_mempool;
2133
2134         snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2135                 ha->pdev->device);
2136         ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2137                 DMA_POOL_SIZE, 8, 0);
2138         if (!ha->s_dma_pool)
2139                 goto fail_free_nvram;
2140
2141         /* Allocate memory for SNS commands */
2142         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2143         /* Get consistent memory allocated for SNS commands */
2144                 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2145                 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2146                 if (!ha->sns_cmd)
2147                         goto fail_dma_pool;
2148         } else {
2149         /* Get consistent memory allocated for MS IOCB */
2150                 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2151                         &ha->ms_iocb_dma);
2152                 if (!ha->ms_iocb)
2153                         goto fail_dma_pool;
2154         /* Get consistent memory allocated for CT SNS commands */
2155                 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2156                         sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2157                 if (!ha->ct_sns)
2158                         goto fail_free_ms_iocb;
2159         }
2160
2161         /* Allocate memory for request ring */
2162         *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2163         if (!*req) {
2164                 DEBUG(printk("Unable to allocate memory for req\n"));
2165                 goto fail_req;
2166         }
2167         (*req)->length = req_len;
2168         (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2169                 ((*req)->length + 1) * sizeof(request_t),
2170                 &(*req)->dma, GFP_KERNEL);
2171         if (!(*req)->ring) {
2172                 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2173                 goto fail_req_ring;
2174         }
2175         /* Allocate memory for response ring */
2176         *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2177         if (!*rsp) {
2178                 qla_printk(KERN_WARNING, ha,
2179                         "Unable to allocate memory for rsp\n");
2180                 goto fail_rsp;
2181         }
2182         (*rsp)->hw = ha;
2183         (*rsp)->length = rsp_len;
2184         (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2185                 ((*rsp)->length + 1) * sizeof(response_t),
2186                 &(*rsp)->dma, GFP_KERNEL);
2187         if (!(*rsp)->ring) {
2188                 qla_printk(KERN_WARNING, ha,
2189                         "Unable to allocate memory for rsp_ring\n");
2190                 goto fail_rsp_ring;
2191         }
2192         (*req)->rsp = *rsp;
2193         (*rsp)->req = *req;
2194         /* Allocate memory for NVRAM data for vports */
2195         if (ha->nvram_npiv_size) {
2196                 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2197                                         ha->nvram_npiv_size, GFP_KERNEL);
2198                 if (!ha->npiv_info) {
2199                         qla_printk(KERN_WARNING, ha,
2200                                 "Unable to allocate memory for npiv info\n");
2201                         goto fail_npiv_info;
2202                 }
2203         } else
2204                 ha->npiv_info = NULL;
2205
2206         /* Get consistent memory allocated for EX-INIT-CB. */
2207         if (IS_QLA81XX(ha)) {
2208                 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2209                     &ha->ex_init_cb_dma);
2210                 if (!ha->ex_init_cb)
2211                         goto fail_ex_init_cb;
2212         }
2213
2214         INIT_LIST_HEAD(&ha->vp_list);
2215         return 1;
2216
2217 fail_ex_init_cb:
2218         kfree(ha->npiv_info);
2219 fail_npiv_info:
2220         dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2221                 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2222         (*rsp)->ring = NULL;
2223         (*rsp)->dma = 0;
2224 fail_rsp_ring:
2225         kfree(*rsp);
2226 fail_rsp:
2227         dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2228                 sizeof(request_t), (*req)->ring, (*req)->dma);
2229         (*req)->ring = NULL;
2230         (*req)->dma = 0;
2231 fail_req_ring:
2232         kfree(*req);
2233 fail_req:
2234         dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2235                 ha->ct_sns, ha->ct_sns_dma);
2236         ha->ct_sns = NULL;
2237         ha->ct_sns_dma = 0;
2238 fail_free_ms_iocb:
2239         dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2240         ha->ms_iocb = NULL;
2241         ha->ms_iocb_dma = 0;
2242 fail_dma_pool:
2243         dma_pool_destroy(ha->s_dma_pool);
2244         ha->s_dma_pool = NULL;
2245 fail_free_nvram:
2246         kfree(ha->nvram);
2247         ha->nvram = NULL;
2248 fail_free_srb_mempool:
2249         mempool_destroy(ha->srb_mempool);
2250         ha->srb_mempool = NULL;
2251 fail_free_gid_list:
2252         dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2253         ha->gid_list_dma);
2254         ha->gid_list = NULL;
2255         ha->gid_list_dma = 0;
2256 fail_free_init_cb:
2257         dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2258         ha->init_cb_dma);
2259         ha->init_cb = NULL;
2260         ha->init_cb_dma = 0;
2261 fail:
2262         DEBUG(printk("%s: Memory allocation failure\n", __func__));
2263         return -ENOMEM;
2264 }
2265
2266 /*
2267 * qla2x00_mem_free
2268 *      Frees all adapter allocated memory.
2269 *
2270 * Input:
2271 *      ha = adapter block pointer.
2272 */
2273 static void
2274 qla2x00_mem_free(struct qla_hw_data *ha)
2275 {
2276         if (ha->srb_mempool)
2277                 mempool_destroy(ha->srb_mempool);
2278
2279         if (ha->fce)
2280                 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2281                 ha->fce_dma);
2282
2283         if (ha->fw_dump) {
2284                 if (ha->eft)
2285                         dma_free_coherent(&ha->pdev->dev,
2286                         ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2287                 vfree(ha->fw_dump);
2288         }
2289
2290         if (ha->sns_cmd)
2291                 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2292                 ha->sns_cmd, ha->sns_cmd_dma);
2293
2294         if (ha->ct_sns)
2295                 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2296                 ha->ct_sns, ha->ct_sns_dma);
2297
2298         if (ha->sfp_data)
2299                 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2300
2301         if (ha->ms_iocb)
2302                 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2303
2304         if (ha->ex_init_cb)
2305                 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2306
2307         if (ha->s_dma_pool)
2308                 dma_pool_destroy(ha->s_dma_pool);
2309
2310         if (ha->gid_list)
2311                 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2312                 ha->gid_list_dma);
2313
2314         if (ha->init_cb)
2315                 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2316                 ha->init_cb, ha->init_cb_dma);
2317         vfree(ha->optrom_buffer);
2318         kfree(ha->nvram);
2319         kfree(ha->npiv_info);
2320
2321         ha->srb_mempool = NULL;
2322         ha->eft = NULL;
2323         ha->eft_dma = 0;
2324         ha->sns_cmd = NULL;
2325         ha->sns_cmd_dma = 0;
2326         ha->ct_sns = NULL;
2327         ha->ct_sns_dma = 0;
2328         ha->ms_iocb = NULL;
2329         ha->ms_iocb_dma = 0;
2330         ha->init_cb = NULL;
2331         ha->init_cb_dma = 0;
2332         ha->ex_init_cb = NULL;
2333         ha->ex_init_cb_dma = 0;
2334
2335         ha->s_dma_pool = NULL;
2336
2337         ha->gid_list = NULL;
2338         ha->gid_list_dma = 0;
2339
2340         ha->fw_dump = NULL;
2341         ha->fw_dumped = 0;
2342         ha->fw_dump_reading = 0;
2343 }
2344
2345 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2346                                                 struct qla_hw_data *ha)
2347 {
2348         struct Scsi_Host *host;
2349         struct scsi_qla_host *vha = NULL;
2350
2351         host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2352         if (host == NULL) {
2353                 printk(KERN_WARNING
2354                 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2355                 goto fail;
2356         }
2357
2358         /* Clear our data area */
2359         vha = shost_priv(host);
2360         memset(vha, 0, sizeof(scsi_qla_host_t));
2361
2362         vha->host = host;
2363         vha->host_no = host->host_no;
2364         vha->hw = ha;
2365
2366         INIT_LIST_HEAD(&vha->vp_fcports);
2367         INIT_LIST_HEAD(&vha->work_list);
2368         INIT_LIST_HEAD(&vha->list);
2369
2370         sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2371         return vha;
2372
2373 fail:
2374         return vha;
2375 }
2376
2377 static struct qla_work_evt *
2378 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type,
2379     int locked)
2380 {
2381         struct qla_work_evt *e;
2382
2383         e = kzalloc(sizeof(struct qla_work_evt), locked ? GFP_ATOMIC:
2384             GFP_KERNEL);
2385         if (!e)
2386                 return NULL;
2387
2388         INIT_LIST_HEAD(&e->list);
2389         e->type = type;
2390         e->flags = QLA_EVT_FLAG_FREE;
2391         return e;
2392 }
2393
2394 static int
2395 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e, int locked)
2396 {
2397         unsigned long uninitialized_var(flags);
2398         struct qla_hw_data *ha = vha->hw;
2399
2400         if (!locked)
2401                 spin_lock_irqsave(&ha->hardware_lock, flags);
2402         list_add_tail(&e->list, &vha->work_list);
2403         qla2xxx_wake_dpc(vha);
2404         if (!locked)
2405                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2406         return QLA_SUCCESS;
2407 }
2408
2409 int
2410 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
2411     u32 data)
2412 {
2413         struct qla_work_evt *e;
2414
2415         e = qla2x00_alloc_work(vha, QLA_EVT_AEN, 1);
2416         if (!e)
2417                 return QLA_FUNCTION_FAILED;
2418
2419         e->u.aen.code = code;
2420         e->u.aen.data = data;
2421         return qla2x00_post_work(vha, e, 1);
2422 }
2423
2424 int
2425 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
2426 {
2427         struct qla_work_evt *e;
2428
2429         e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK, 1);
2430         if (!e)
2431                 return QLA_FUNCTION_FAILED;
2432
2433         memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
2434         return qla2x00_post_work(vha, e, 1);
2435 }
2436
2437 static void
2438 qla2x00_do_work(struct scsi_qla_host *vha)
2439 {
2440         struct qla_work_evt *e;
2441         struct qla_hw_data *ha = vha->hw;
2442
2443         spin_lock_irq(&ha->hardware_lock);
2444         while (!list_empty(&vha->work_list)) {
2445                 e = list_entry(vha->work_list.next, struct qla_work_evt, list);
2446                 list_del_init(&e->list);
2447                 spin_unlock_irq(&ha->hardware_lock);
2448
2449                 switch (e->type) {
2450                 case QLA_EVT_AEN:
2451                         fc_host_post_event(vha->host, fc_get_event_number(),
2452                             e->u.aen.code, e->u.aen.data);
2453                         break;
2454                 case QLA_EVT_IDC_ACK:
2455                         qla81xx_idc_ack(vha, e->u.idc_ack.mb);
2456                         break;
2457                 }
2458                 if (e->flags & QLA_EVT_FLAG_FREE)
2459                         kfree(e);
2460                 spin_lock_irq(&ha->hardware_lock);
2461         }
2462         spin_unlock_irq(&ha->hardware_lock);
2463 }
2464 /* Relogins all the fcports of a vport
2465  * Context: dpc thread
2466  */
2467 void qla2x00_relogin(struct scsi_qla_host *vha)
2468 {
2469         fc_port_t       *fcport;
2470         int status;
2471         uint16_t        next_loopid = 0;
2472         struct qla_hw_data *ha = vha->hw;
2473
2474         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2475         /*
2476          * If the port is not ONLINE then try to login
2477          * to it if we haven't run out of retries.
2478          */
2479                 if (atomic_read(&fcport->state) !=
2480                         FCS_ONLINE && fcport->login_retry) {
2481
2482                         if (fcport->flags & FCF_FABRIC_DEVICE) {
2483                                 if (fcport->flags & FCF_TAPE_PRESENT)
2484                                         ha->isp_ops->fabric_logout(vha,
2485                                                         fcport->loop_id,
2486                                                         fcport->d_id.b.domain,
2487                                                         fcport->d_id.b.area,
2488                                                         fcport->d_id.b.al_pa);
2489
2490                                 status = qla2x00_fabric_login(vha, fcport,
2491                                                         &next_loopid);
2492                         } else
2493                                 status = qla2x00_local_device_login(vha,
2494                                                                 fcport);
2495
2496                         fcport->login_retry--;
2497                         if (status == QLA_SUCCESS) {
2498                                 fcport->old_loop_id = fcport->loop_id;
2499
2500                                 DEBUG(printk("scsi(%ld): port login OK: logged "
2501                                 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
2502
2503                                 qla2x00_update_fcport(vha, fcport);
2504
2505                         } else if (status == 1) {
2506                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2507                                 /* retry the login again */
2508                                 DEBUG(printk("scsi(%ld): Retrying"
2509                                 " %d login again loop_id 0x%x\n",
2510                                 vha->host_no, fcport->login_retry,
2511                                                 fcport->loop_id));
2512                         } else {
2513                                 fcport->login_retry = 0;
2514                         }
2515
2516                         if (fcport->login_retry == 0 && status != QLA_SUCCESS)
2517                                 fcport->loop_id = FC_NO_LOOP_ID;
2518                 }
2519                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2520                         break;
2521         }
2522 }
2523
2524 /**************************************************************************
2525 * qla2x00_do_dpc
2526 *   This kernel thread is a task that is schedule by the interrupt handler
2527 *   to perform the background processing for interrupts.
2528 *
2529 * Notes:
2530 * This task always run in the context of a kernel thread.  It
2531 * is kick-off by the driver's detect code and starts up
2532 * up one per adapter. It immediately goes to sleep and waits for
2533 * some fibre event.  When either the interrupt handler or
2534 * the timer routine detects a event it will one of the task
2535 * bits then wake us up.
2536 **************************************************************************/
2537 static int
2538 qla2x00_do_dpc(void *data)
2539 {
2540         int             rval;
2541         scsi_qla_host_t *base_vha;
2542         struct qla_hw_data *ha;
2543
2544         ha = (struct qla_hw_data *)data;
2545         base_vha = pci_get_drvdata(ha->pdev);
2546
2547         set_user_nice(current, -20);
2548
2549         while (!kthread_should_stop()) {
2550                 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2551
2552                 set_current_state(TASK_INTERRUPTIBLE);
2553                 schedule();
2554                 __set_current_state(TASK_RUNNING);
2555
2556                 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2557
2558                 /* Initialization not yet finished. Don't do anything yet. */
2559                 if (!base_vha->flags.init_done)
2560                         continue;
2561
2562                 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
2563
2564                 ha->dpc_active = 1;
2565
2566                 if (ha->flags.mbox_busy) {
2567                         ha->dpc_active = 0;
2568                         continue;
2569                 }
2570
2571                 qla2x00_do_work(base_vha);
2572
2573                 if (test_and_clear_bit(ISP_ABORT_NEEDED,
2574                                                 &base_vha->dpc_flags)) {
2575
2576                         DEBUG(printk("scsi(%ld): dpc: sched "
2577                             "qla2x00_abort_isp ha = %p\n",
2578                             base_vha->host_no, ha));
2579                         if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2580                             &base_vha->dpc_flags))) {
2581
2582                                 if (qla2x00_abort_isp(base_vha)) {
2583                                         /* failed. retry later */
2584                                         set_bit(ISP_ABORT_NEEDED,
2585                                             &base_vha->dpc_flags);
2586                                 }
2587                                 clear_bit(ABORT_ISP_ACTIVE,
2588                                                 &base_vha->dpc_flags);
2589                         }
2590
2591                         DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2592                             base_vha->host_no));
2593                 }
2594
2595                 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
2596                         qla2x00_update_fcports(base_vha);
2597                         clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2598                 }
2599
2600                 if (test_and_clear_bit(RESET_MARKER_NEEDED,
2601                                                         &base_vha->dpc_flags) &&
2602                     (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
2603
2604                         DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2605                             base_vha->host_no));
2606
2607                         qla2x00_rst_aen(base_vha);
2608                         clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
2609                 }
2610
2611                 /* Retry each device up to login retry count */
2612                 if ((test_and_clear_bit(RELOGIN_NEEDED,
2613                                                 &base_vha->dpc_flags)) &&
2614                     !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
2615                     atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
2616
2617                         DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2618                                         base_vha->host_no));
2619                         qla2x00_relogin(base_vha);
2620
2621                         DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2622                             base_vha->host_no));
2623                 }
2624
2625                 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
2626                                                         &base_vha->dpc_flags)) {
2627
2628                         DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2629                                 base_vha->host_no));
2630
2631                         if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2632                             &base_vha->dpc_flags))) {
2633
2634                                 rval = qla2x00_loop_resync(base_vha);
2635
2636                                 clear_bit(LOOP_RESYNC_ACTIVE,
2637                                                 &base_vha->dpc_flags);
2638                         }
2639
2640                         DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2641                             base_vha->host_no));
2642                 }
2643
2644                 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
2645                     atomic_read(&base_vha->loop_state) == LOOP_READY) {
2646                         clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
2647                         qla2xxx_flash_npiv_conf(base_vha);
2648                 }
2649
2650                 if (!ha->interrupts_on)
2651                         ha->isp_ops->enable_intrs(ha);
2652
2653                 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
2654                                         &base_vha->dpc_flags))
2655                         ha->isp_ops->beacon_blink(base_vha);
2656
2657                 qla2x00_do_dpc_all_vps(base_vha);
2658
2659                 ha->dpc_active = 0;
2660         } /* End of while(1) */
2661
2662         DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
2663
2664         /*
2665          * Make sure that nobody tries to wake us up again.
2666          */
2667         ha->dpc_active = 0;
2668
2669         return 0;
2670 }
2671
2672 void
2673 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
2674 {
2675         struct qla_hw_data *ha = vha->hw;
2676         struct task_struct *t = ha->dpc_thread;
2677
2678         if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
2679                 wake_up_process(t);
2680 }
2681
2682 /*
2683 *  qla2x00_rst_aen
2684 *      Processes asynchronous reset.
2685 *
2686 * Input:
2687 *      ha  = adapter block pointer.
2688 */
2689 static void
2690 qla2x00_rst_aen(scsi_qla_host_t *vha)
2691 {
2692         if (vha->flags.online && !vha->flags.reset_active &&
2693             !atomic_read(&vha->loop_down_timer) &&
2694             !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
2695                 do {
2696                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
2697
2698                         /*
2699                          * Issue marker command only when we are going to start
2700                          * the I/O.
2701                          */
2702                         vha->marker_needed = 1;
2703                 } while (!atomic_read(&vha->loop_down_timer) &&
2704                     (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
2705         }
2706 }
2707
2708 static void
2709 qla2x00_sp_free_dma(srb_t *sp)
2710 {
2711         struct scsi_cmnd *cmd = sp->cmd;
2712
2713         if (sp->flags & SRB_DMA_VALID) {
2714                 scsi_dma_unmap(cmd);
2715                 sp->flags &= ~SRB_DMA_VALID;
2716         }
2717         CMD_SP(cmd) = NULL;
2718 }
2719
2720 void
2721 qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
2722 {
2723         struct scsi_cmnd *cmd = sp->cmd;
2724
2725         qla2x00_sp_free_dma(sp);
2726
2727         mempool_free(sp, ha->srb_mempool);
2728
2729         cmd->scsi_done(cmd);
2730 }
2731
2732 /**************************************************************************
2733 *   qla2x00_timer
2734 *
2735 * Description:
2736 *   One second timer
2737 *
2738 * Context: Interrupt
2739 ***************************************************************************/
2740 void
2741 qla2x00_timer(scsi_qla_host_t *vha)
2742 {
2743         unsigned long   cpu_flags = 0;
2744         fc_port_t       *fcport;
2745         int             start_dpc = 0;
2746         int             index;
2747         srb_t           *sp;
2748         int             t;
2749         struct qla_hw_data *ha = vha->hw;
2750         struct req_que *req;
2751         /*
2752          * Ports - Port down timer.
2753          *
2754          * Whenever, a port is in the LOST state we start decrementing its port
2755          * down timer every second until it reaches zero. Once  it reaches zero
2756          * the port it marked DEAD.
2757          */
2758         t = 0;
2759         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2760                 if (fcport->port_type != FCT_TARGET)
2761                         continue;
2762
2763                 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2764
2765                         if (atomic_read(&fcport->port_down_timer) == 0)
2766                                 continue;
2767
2768                         if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
2769                                 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
2770
2771                         DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2772                             "%d remaining\n",
2773                             vha->host_no,
2774                             t, atomic_read(&fcport->port_down_timer)));
2775                 }
2776                 t++;
2777         } /* End of for fcport  */
2778
2779
2780         /* Loop down handler. */
2781         if (atomic_read(&vha->loop_down_timer) > 0 &&
2782             !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
2783                 && vha->flags.online) {
2784
2785                 if (atomic_read(&vha->loop_down_timer) ==
2786                     vha->loop_down_abort_time) {
2787
2788                         DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2789                             "queues before time expire\n",
2790                             vha->host_no));
2791
2792                         if (!IS_QLA2100(ha) && vha->link_down_timeout)
2793                                 atomic_set(&vha->loop_state, LOOP_DEAD);
2794
2795                         /* Schedule an ISP abort to return any tape commands. */
2796                         /* NPIV - scan physical port only */
2797                         if (!vha->vp_idx) {
2798                                 spin_lock_irqsave(&ha->hardware_lock,
2799                                     cpu_flags);
2800                                 req = ha->req_q_map[0];
2801                                 for (index = 1;
2802                                     index < MAX_OUTSTANDING_COMMANDS;
2803                                     index++) {
2804                                         fc_port_t *sfcp;
2805
2806                                         sp = req->outstanding_cmds[index];
2807                                         if (!sp)
2808                                                 continue;
2809                                         sfcp = sp->fcport;
2810                                         if (!(sfcp->flags & FCF_TAPE_PRESENT))
2811                                                 continue;
2812
2813                                         set_bit(ISP_ABORT_NEEDED,
2814                                                         &vha->dpc_flags);
2815                                         break;
2816                                 }
2817                                 spin_unlock_irqrestore(&ha->hardware_lock,
2818                                                                 cpu_flags);
2819                         }
2820                         set_bit(ABORT_QUEUES_NEEDED, &vha->dpc_flags);
2821                         start_dpc++;
2822                 }
2823
2824                 /* if the loop has been down for 4 minutes, reinit adapter */
2825                 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
2826                         DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2827                             "restarting queues.\n",
2828                             vha->host_no));
2829
2830                         set_bit(RESTART_QUEUES_NEEDED, &vha->dpc_flags);
2831                         start_dpc++;
2832
2833                         if (!(vha->device_flags & DFLG_NO_CABLE) &&
2834                             !vha->vp_idx) {
2835                                 DEBUG(printk("scsi(%ld): Loop down - "
2836                                     "aborting ISP.\n",
2837                                     vha->host_no));
2838                                 qla_printk(KERN_WARNING, ha,
2839                                     "Loop down - aborting ISP.\n");
2840
2841                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2842                         }
2843                 }
2844                 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
2845                     vha->host_no,
2846                     atomic_read(&vha->loop_down_timer)));
2847         }
2848
2849         /* Check if beacon LED needs to be blinked */
2850         if (ha->beacon_blink_led == 1) {
2851                 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
2852                 start_dpc++;
2853         }
2854
2855         /* Process any deferred work. */
2856         if (!list_empty(&vha->work_list))
2857                 start_dpc++;
2858
2859         /* Schedule the DPC routine if needed */
2860         if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
2861             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
2862             test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
2863             start_dpc ||
2864             test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
2865             test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
2866             test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
2867             test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
2868                 qla2xxx_wake_dpc(vha);
2869
2870         qla2x00_restart_timer(vha, WATCH_INTERVAL);
2871 }
2872
2873 /* Firmware interface routines. */
2874
2875 #define FW_BLOBS        7
2876 #define FW_ISP21XX      0
2877 #define FW_ISP22XX      1
2878 #define FW_ISP2300      2
2879 #define FW_ISP2322      3
2880 #define FW_ISP24XX      4
2881 #define FW_ISP25XX      5
2882 #define FW_ISP81XX      6
2883
2884 #define FW_FILE_ISP21XX "ql2100_fw.bin"
2885 #define FW_FILE_ISP22XX "ql2200_fw.bin"
2886 #define FW_FILE_ISP2300 "ql2300_fw.bin"
2887 #define FW_FILE_ISP2322 "ql2322_fw.bin"
2888 #define FW_FILE_ISP24XX "ql2400_fw.bin"
2889 #define FW_FILE_ISP25XX "ql2500_fw.bin"
2890 #define FW_FILE_ISP81XX "ql8100_fw.bin"
2891
2892 static DEFINE_MUTEX(qla_fw_lock);
2893
2894 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
2895         { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2896         { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2897         { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2898         { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2899         { .name = FW_FILE_ISP24XX, },
2900         { .name = FW_FILE_ISP25XX, },
2901         { .name = FW_FILE_ISP81XX, },
2902 };
2903
2904 struct fw_blob *
2905 qla2x00_request_firmware(scsi_qla_host_t *vha)
2906 {
2907         struct qla_hw_data *ha = vha->hw;
2908         struct fw_blob *blob;
2909
2910         blob = NULL;
2911         if (IS_QLA2100(ha)) {
2912                 blob = &qla_fw_blobs[FW_ISP21XX];
2913         } else if (IS_QLA2200(ha)) {
2914                 blob = &qla_fw_blobs[FW_ISP22XX];
2915         } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
2916                 blob = &qla_fw_blobs[FW_ISP2300];
2917         } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2918                 blob = &qla_fw_blobs[FW_ISP2322];
2919         } else if (IS_QLA24XX_TYPE(ha)) {
2920                 blob = &qla_fw_blobs[FW_ISP24XX];
2921         } else if (IS_QLA25XX(ha)) {
2922                 blob = &qla_fw_blobs[FW_ISP25XX];
2923         } else if (IS_QLA81XX(ha)) {
2924                 blob = &qla_fw_blobs[FW_ISP81XX];
2925         }
2926
2927         mutex_lock(&qla_fw_lock);
2928         if (blob->fw)
2929                 goto out;
2930
2931         if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2932                 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2933                     "(%s).\n", vha->host_no, blob->name));
2934                 blob->fw = NULL;
2935                 blob = NULL;
2936                 goto out;
2937         }
2938
2939 out:
2940         mutex_unlock(&qla_fw_lock);
2941         return blob;
2942 }
2943
2944 static void
2945 qla2x00_release_firmware(void)
2946 {
2947         int idx;
2948
2949         mutex_lock(&qla_fw_lock);
2950         for (idx = 0; idx < FW_BLOBS; idx++)
2951                 if (qla_fw_blobs[idx].fw)
2952                         release_firmware(qla_fw_blobs[idx].fw);
2953         mutex_unlock(&qla_fw_lock);
2954 }
2955
2956 static pci_ers_result_t
2957 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
2958 {
2959         switch (state) {
2960         case pci_channel_io_normal:
2961                 return PCI_ERS_RESULT_CAN_RECOVER;
2962         case pci_channel_io_frozen:
2963                 pci_disable_device(pdev);
2964                 return PCI_ERS_RESULT_NEED_RESET;
2965         case pci_channel_io_perm_failure:
2966                 qla2x00_remove_one(pdev);
2967                 return PCI_ERS_RESULT_DISCONNECT;
2968         }
2969         return PCI_ERS_RESULT_NEED_RESET;
2970 }
2971
2972 static pci_ers_result_t
2973 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
2974 {
2975         int risc_paused = 0;
2976         uint32_t stat;
2977         unsigned long flags;
2978         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
2979         struct qla_hw_data *ha = base_vha->hw;
2980         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2981         struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
2982
2983         spin_lock_irqsave(&ha->hardware_lock, flags);
2984         if (IS_QLA2100(ha) || IS_QLA2200(ha)){
2985                 stat = RD_REG_DWORD(&reg->hccr);
2986                 if (stat & HCCR_RISC_PAUSE)
2987                         risc_paused = 1;
2988         } else if (IS_QLA23XX(ha)) {
2989                 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
2990                 if (stat & HSR_RISC_PAUSED)
2991                         risc_paused = 1;
2992         } else if (IS_FWI2_CAPABLE(ha)) {
2993                 stat = RD_REG_DWORD(&reg24->host_status);
2994                 if (stat & HSRX_RISC_PAUSED)
2995                         risc_paused = 1;
2996         }
2997         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2998
2999         if (risc_paused) {
3000                 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3001                     "Dumping firmware!\n");
3002                 ha->isp_ops->fw_dump(base_vha, 0);
3003
3004                 return PCI_ERS_RESULT_NEED_RESET;
3005         } else
3006                 return PCI_ERS_RESULT_RECOVERED;
3007 }
3008
3009 static pci_ers_result_t
3010 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3011 {
3012         pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
3013         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3014         struct qla_hw_data *ha = base_vha->hw;
3015         int rc;
3016
3017         if (ha->mem_only)
3018                 rc = pci_enable_device_mem(pdev);
3019         else
3020                 rc = pci_enable_device(pdev);
3021
3022         if (rc) {
3023                 qla_printk(KERN_WARNING, ha,
3024                     "Can't re-enable PCI device after reset.\n");
3025
3026                 return ret;
3027         }
3028         pci_set_master(pdev);
3029
3030         if (ha->isp_ops->pci_config(base_vha))
3031                 return ret;
3032
3033         set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3034         if (qla2x00_abort_isp(base_vha) == QLA_SUCCESS)
3035                 ret =  PCI_ERS_RESULT_RECOVERED;
3036         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3037
3038         return ret;
3039 }
3040
3041 static void
3042 qla2xxx_pci_resume(struct pci_dev *pdev)
3043 {
3044         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3045         struct qla_hw_data *ha = base_vha->hw;
3046         int ret;
3047
3048         ret = qla2x00_wait_for_hba_online(base_vha);
3049         if (ret != QLA_SUCCESS) {
3050                 qla_printk(KERN_ERR, ha,
3051                     "the device failed to resume I/O "
3052                     "from slot/link_reset");
3053         }
3054         pci_cleanup_aer_uncorrect_error_status(pdev);
3055 }
3056
3057 static struct pci_error_handlers qla2xxx_err_handler = {
3058         .error_detected = qla2xxx_pci_error_detected,
3059         .mmio_enabled = qla2xxx_pci_mmio_enabled,
3060         .slot_reset = qla2xxx_pci_slot_reset,
3061         .resume = qla2xxx_pci_resume,
3062 };
3063
3064 static struct pci_device_id qla2xxx_pci_tbl[] = {
3065         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
3066         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
3067         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
3068         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
3069         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
3070         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
3071         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
3072         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
3073         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
3074         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
3075         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
3076         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
3077         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
3078         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
3079         { 0 },
3080 };
3081 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
3082
3083 static struct pci_driver qla2xxx_pci_driver = {
3084         .name           = QLA2XXX_DRIVER_NAME,
3085         .driver         = {
3086                 .owner          = THIS_MODULE,
3087         },
3088         .id_table       = qla2xxx_pci_tbl,
3089         .probe          = qla2x00_probe_one,
3090         .remove         = qla2x00_remove_one,
3091         .err_handler    = &qla2xxx_err_handler,
3092 };
3093
3094 /**
3095  * qla2x00_module_init - Module initialization.
3096  **/
3097 static int __init
3098 qla2x00_module_init(void)
3099 {
3100         int ret = 0;
3101
3102         /* Allocate cache for SRBs. */
3103         srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
3104             SLAB_HWCACHE_ALIGN, NULL);
3105         if (srb_cachep == NULL) {
3106                 printk(KERN_ERR
3107                     "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
3108                 return -ENOMEM;
3109         }
3110
3111         /* Derive version string. */
3112         strcpy(qla2x00_version_str, QLA2XXX_VERSION);
3113         if (ql2xextended_error_logging)
3114                 strcat(qla2x00_version_str, "-debug");
3115
3116         qla2xxx_transport_template =
3117             fc_attach_transport(&qla2xxx_transport_functions);
3118         if (!qla2xxx_transport_template) {
3119                 kmem_cache_destroy(srb_cachep);
3120                 return -ENODEV;
3121         }
3122         qla2xxx_transport_vport_template =
3123             fc_attach_transport(&qla2xxx_transport_vport_functions);
3124         if (!qla2xxx_transport_vport_template) {
3125                 kmem_cache_destroy(srb_cachep);
3126                 fc_release_transport(qla2xxx_transport_template);
3127                 return -ENODEV;
3128         }
3129
3130         printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3131             qla2x00_version_str);
3132         ret = pci_register_driver(&qla2xxx_pci_driver);
3133         if (ret) {
3134                 kmem_cache_destroy(srb_cachep);
3135                 fc_release_transport(qla2xxx_transport_template);
3136                 fc_release_transport(qla2xxx_transport_vport_template);
3137         }
3138         return ret;
3139 }
3140
3141 /**
3142  * qla2x00_module_exit - Module cleanup.
3143  **/
3144 static void __exit
3145 qla2x00_module_exit(void)
3146 {
3147         pci_unregister_driver(&qla2xxx_pci_driver);
3148         qla2x00_release_firmware();
3149         kmem_cache_destroy(srb_cachep);
3150         fc_release_transport(qla2xxx_transport_template);
3151         fc_release_transport(qla2xxx_transport_vport_template);
3152 }
3153
3154 module_init(qla2x00_module_init);
3155 module_exit(qla2x00_module_exit);
3156
3157 MODULE_AUTHOR("QLogic Corporation");
3158 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3159 MODULE_LICENSE("GPL");
3160 MODULE_VERSION(QLA2XXX_VERSION);
3161 MODULE_FIRMWARE(FW_FILE_ISP21XX);
3162 MODULE_FIRMWARE(FW_FILE_ISP22XX);
3163 MODULE_FIRMWARE(FW_FILE_ISP2300);
3164 MODULE_FIRMWARE(FW_FILE_ISP2322);
3165 MODULE_FIRMWARE(FW_FILE_ISP24XX);
3166 MODULE_FIRMWARE(FW_FILE_ISP25XX);
3167 MODULE_FIRMWARE(FW_FILE_ISP81XX);